21583440

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{967}}^1$

素因数の和:1017

約数の個数: 120

約数和(自身を含む): 74899968

約数和(自身を除く): 53316528

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 31, 36, 40, 45, 48, 60, 62, 72, 80, 90, 93, 120, 124, 144, 155, 180, 186, 240, 248, 279, 310, 360, 372, 465, 496, 558, 620, 720, 744, 930, 967, 1116, 1240, 1395, 1488, 1860, 1934, 2232, 2480, 2790, 2901, 3720, 3868, 4464, 4835, 5580, 5802, 7440, 7736, 8703, 9670, 11160, 11604, 14505, 15472, 17406, 19340, 22320, 23208, 29010, 29977, 34812, 38680, 43515, 46416, 58020, 59954, 69624, 77360, 87030, 89931, 116040, 119908, 139248, 149885, 174060, 179862, 232080, 239816, 269793, 299770, 348120, 359724, 449655, 479632, 539586, 599540, 696240, 719448, 899310, 1079172, 1199080, 1348965, 1438896, 1798620, 2158344, 2398160, 2697930, 3597240, 4316688, 5395860, 7194480, 10791720, 21583440]

約数ペア:

[(1, 21583440), (2, 10791720), (3, 7194480), (4, 5395860), (5, 4316688), (6, 3597240), (8, 2697930), (9, 2398160), (10, 2158344), (12, 1798620), (15, 1438896), (16, 1348965), (18, 1199080), (20, 1079172), (24, 899310), (30, 719448), (31, 696240), (36, 599540), (40, 539586), (45, 479632), (48, 449655), (60, 359724), (62, 348120), (72, 299770), (80, 269793), (90, 239816), (93, 232080), (120, 179862), (124, 174060), (144, 149885), (155, 139248), (180, 119908), (186, 116040), (240, 89931), (248, 87030), (279, 77360), (310, 69624), (360, 59954), (372, 58020), (465, 46416), (496, 43515), (558, 38680), (620, 34812), (720, 29977), (744, 29010), (930, 23208), (967, 22320), (1116, 19340), (1240, 17406), (1395, 15472), (1488, 14505), (1860, 11604), (1934, 11160), (2232, 9670), (2480, 8703), (2790, 7736), (2901, 7440), (3720, 5802), (3868, 5580), (4464, 4835)]