21294900

素因数分解:

$2^2\times 3^4\times 5^2\times {\mathrm{11}}^1\times {\mathrm{239}}^1$

素因数の和:276

約数の個数: 180

約数和(自身を含む): 75620160

約数和(自身を除く): 54325260

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 25, 27, 30, 33, 36, 44, 45, 50, 54, 55, 60, 66, 75, 81, 90, 99, 100, 108, 110, 132, 135, 150, 162, 165, 180, 198, 220, 225, 239, 270, 275, 297, 300, 324, 330, 396, 405, 450, 478, 495, 540, 550, 594, 660, 675, 717, 810, 825, 891, 900, 956, 990, 1100, 1188, 1195, 1350, 1434, 1485, 1620, 1650, 1782, 1980, 2025, 2151, 2390, 2475, 2629, 2700, 2868, 2970, 3300, 3564, 3585, 4050, 4302, 4455, 4780, 4950, 5258, 5940, 5975, 6453, 7170, 7425, 7887, 8100, 8604, 8910, 9900, 10516, 10755, 11950, 12906, 13145, 14340, 14850, 15774, 17820, 17925, 19359, 21510, 22275, 23661, 23900, 25812, 26290, 29700, 31548, 32265, 35850, 38718, 39435, 43020, 44550, 47322, 52580, 53775, 64530, 65725, 70983, 71700, 77436, 78870, 89100, 94644, 96795, 107550, 118305, 129060, 131450, 141966, 157740, 161325, 193590, 197175, 212949, 215100, 236610, 262900, 283932, 322650, 354915, 387180, 394350, 425898, 473220, 483975, 591525, 645300, 709830, 788700, 851796, 967950, 1064745, 1183050, 1419660, 1774575, 1935900, 2129490, 2366100, 3549150, 4258980, 5323725, 7098300, 10647450, 21294900]

約数ペア:

[(1, 21294900), (2, 10647450), (3, 7098300), (4, 5323725), (5, 4258980), (6, 3549150), (9, 2366100), (10, 2129490), (11, 1935900), (12, 1774575), (15, 1419660), (18, 1183050), (20, 1064745), (22, 967950), (25, 851796), (27, 788700), (30, 709830), (33, 645300), (36, 591525), (44, 483975), (45, 473220), (50, 425898), (54, 394350), (55, 387180), (60, 354915), (66, 322650), (75, 283932), (81, 262900), (90, 236610), (99, 215100), (100, 212949), (108, 197175), (110, 193590), (132, 161325), (135, 157740), (150, 141966), (162, 131450), (165, 129060), (180, 118305), (198, 107550), (220, 96795), (225, 94644), (239, 89100), (270, 78870), (275, 77436), (297, 71700), (300, 70983), (324, 65725), (330, 64530), (396, 53775), (405, 52580), (450, 47322), (478, 44550), (495, 43020), (540, 39435), (550, 38718), (594, 35850), (660, 32265), (675, 31548), (717, 29700), (810, 26290), (825, 25812), (891, 23900), (900, 23661), (956, 22275), (990, 21510), (1100, 19359), (1188, 17925), (1195, 17820), (1350, 15774), (1434, 14850), (1485, 14340), (1620, 13145), (1650, 12906), (1782, 11950), (1980, 10755), (2025, 10516), (2151, 9900), (2390, 8910), (2475, 8604), (2629, 8100), (2700, 7887), (2868, 7425), (2970, 7170), (3300, 6453), (3564, 5975), (3585, 5940), (4050, 5258), (4302, 4950), (4455, 4780)]