21518811500

素因数分解:

$2^2\times 5^3\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1\times {\mathrm{491}}^1$

素因数の和:673

約数の個数: 192

約数和(自身を含む): 50958415872

約数和(自身を除く): 29439604372

約数列:

[1, 2, 4, 5, 10, 20, 23, 25, 37, 46, 50, 74, 92, 100, 103, 115, 125, 148, 185, 206, 230, 250, 370, 412, 460, 491, 500, 515, 575, 740, 851, 925, 982, 1030, 1150, 1702, 1850, 1964, 2060, 2300, 2369, 2455, 2575, 2875, 3404, 3700, 3811, 4255, 4625, 4738, 4910, 5150, 5750, 7622, 8510, 9250, 9476, 9820, 10300, 11293, 11500, 11845, 12275, 12875, 15244, 17020, 18167, 18500, 19055, 21275, 22586, 23690, 24550, 25750, 36334, 38110, 42550, 45172, 47380, 49100, 50573, 51500, 56465, 59225, 61375, 72668, 76220, 85100, 87653, 90835, 95275, 101146, 106375, 112930, 118450, 122750, 175306, 181670, 190550, 202292, 212750, 225860, 236900, 245500, 252865, 282325, 296125, 350612, 363340, 381100, 417841, 425500, 438265, 454175, 476375, 505730, 564650, 592250, 835682, 876530, 908350, 952750, 1011460, 1129300, 1163179, 1184500, 1264325, 1411625, 1671364, 1753060, 1816700, 1871201, 1905500, 2089205, 2191325, 2270875, 2326358, 2528650, 2823250, 3742402, 4178410, 4382650, 4541750, 4652716, 5057300, 5646500, 5815895, 6321625, 7484804, 8356820, 8765300, 9083500, 9356005, 10446025, 10956625, 11631790, 12643250, 18712010, 20892050, 21913250, 23263580, 25286500, 29079475, 37424020, 41784100, 43037623, 43826500, 46780025, 52230125, 58158950, 86075246, 93560050, 104460250, 116317900, 145397375, 172150492, 187120100, 208920500, 215188115, 233900125, 290794750, 430376230, 467800250, 581589500, 860752460, 935600500, 1075940575, 2151881150, 4303762300, 5379702875, 10759405750, 21518811500]

約数ペア:

[(1, 21518811500), (2, 10759405750), (4, 5379702875), (5, 4303762300), (10, 2151881150), (20, 1075940575), (23, 935600500), (25, 860752460), (37, 581589500), (46, 467800250), (50, 430376230), (74, 290794750), (92, 233900125), (100, 215188115), (103, 208920500), (115, 187120100), (125, 172150492), (148, 145397375), (185, 116317900), (206, 104460250), (230, 93560050), (250, 86075246), (370, 58158950), (412, 52230125), (460, 46780025), (491, 43826500), (500, 43037623), (515, 41784100), (575, 37424020), (740, 29079475), (851, 25286500), (925, 23263580), (982, 21913250), (1030, 20892050), (1150, 18712010), (1702, 12643250), (1850, 11631790), (1964, 10956625), (2060, 10446025), (2300, 9356005), (2369, 9083500), (2455, 8765300), (2575, 8356820), (2875, 7484804), (3404, 6321625), (3700, 5815895), (3811, 5646500), (4255, 5057300), (4625, 4652716), (4738, 4541750), (4910, 4382650), (5150, 4178410), (5750, 3742402), (7622, 2823250), (8510, 2528650), (9250, 2326358), (9476, 2270875), (9820, 2191325), (10300, 2089205), (11293, 1905500), (11500, 1871201), (11845, 1816700), (12275, 1753060), (12875, 1671364), (15244, 1411625), (17020, 1264325), (18167, 1184500), (18500, 1163179), (19055, 1129300), (21275, 1011460), (22586, 952750), (23690, 908350), (24550, 876530), (25750, 835682), (36334, 592250), (38110, 564650), (42550, 505730), (45172, 476375), (47380, 454175), (49100, 438265), (50573, 425500), (51500, 417841), (56465, 381100), (59225, 363340), (61375, 350612), (72668, 296125), (76220, 282325), (85100, 252865), (87653, 245500), (90835, 236900), (95275, 225860), (101146, 212750), (106375, 202292), (112930, 190550), (118450, 181670), (122750, 175306)]