21955800

素因数分解:

$2^3\times 3^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1$

素因数の和:122

約数の個数: 192

約数和(自身を含む): 74638080

約数和(自身を除く): 52682280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 25, 30, 37, 40, 43, 46, 50, 60, 69, 74, 75, 86, 92, 100, 111, 115, 120, 129, 138, 148, 150, 172, 184, 185, 200, 215, 222, 230, 258, 276, 296, 300, 344, 345, 370, 430, 444, 460, 516, 552, 555, 575, 600, 645, 690, 740, 851, 860, 888, 920, 925, 989, 1032, 1075, 1110, 1150, 1290, 1380, 1480, 1591, 1702, 1720, 1725, 1850, 1978, 2150, 2220, 2300, 2553, 2580, 2760, 2775, 2967, 3182, 3225, 3404, 3450, 3700, 3956, 4255, 4300, 4440, 4600, 4773, 4945, 5106, 5160, 5550, 5934, 6364, 6450, 6808, 6900, 7400, 7912, 7955, 8510, 8600, 9546, 9890, 10212, 11100, 11868, 12728, 12765, 12900, 13800, 14835, 15910, 17020, 19092, 19780, 20424, 21275, 22200, 23736, 23865, 24725, 25530, 25800, 29670, 31820, 34040, 36593, 38184, 39560, 39775, 42550, 47730, 49450, 51060, 59340, 63640, 63825, 73186, 74175, 79550, 85100, 95460, 98900, 102120, 109779, 118680, 119325, 127650, 146372, 148350, 159100, 170200, 182965, 190920, 197800, 219558, 238650, 255300, 292744, 296700, 318200, 365930, 439116, 477300, 510600, 548895, 593400, 731860, 878232, 914825, 954600, 1097790, 1463720, 1829650, 2195580, 2744475, 3659300, 4391160, 5488950, 7318600, 10977900, 21955800]

約数ペア:

[(1, 21955800), (2, 10977900), (3, 7318600), (4, 5488950), (5, 4391160), (6, 3659300), (8, 2744475), (10, 2195580), (12, 1829650), (15, 1463720), (20, 1097790), (23, 954600), (24, 914825), (25, 878232), (30, 731860), (37, 593400), (40, 548895), (43, 510600), (46, 477300), (50, 439116), (60, 365930), (69, 318200), (74, 296700), (75, 292744), (86, 255300), (92, 238650), (100, 219558), (111, 197800), (115, 190920), (120, 182965), (129, 170200), (138, 159100), (148, 148350), (150, 146372), (172, 127650), (184, 119325), (185, 118680), (200, 109779), (215, 102120), (222, 98900), (230, 95460), (258, 85100), (276, 79550), (296, 74175), (300, 73186), (344, 63825), (345, 63640), (370, 59340), (430, 51060), (444, 49450), (460, 47730), (516, 42550), (552, 39775), (555, 39560), (575, 38184), (600, 36593), (645, 34040), (690, 31820), (740, 29670), (851, 25800), (860, 25530), (888, 24725), (920, 23865), (925, 23736), (989, 22200), (1032, 21275), (1075, 20424), (1110, 19780), (1150, 19092), (1290, 17020), (1380, 15910), (1480, 14835), (1591, 13800), (1702, 12900), (1720, 12765), (1725, 12728), (1850, 11868), (1978, 11100), (2150, 10212), (2220, 9890), (2300, 9546), (2553, 8600), (2580, 8510), (2760, 7955), (2775, 7912), (2967, 7400), (3182, 6900), (3225, 6808), (3404, 6450), (3450, 6364), (3700, 5934), (3956, 5550), (4255, 5160), (4300, 5106), (4440, 4945), (4600, 4773)]