21882120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^3\times {\mathrm{83}}^1$

素因数の和:136

約数の個数: 128

約数和(自身を含む): 71971200

約数和(自身を除く): 50089080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 83, 104, 120, 130, 156, 166, 169, 195, 249, 260, 312, 332, 338, 390, 415, 498, 507, 520, 664, 676, 780, 830, 845, 996, 1014, 1079, 1245, 1352, 1560, 1660, 1690, 1992, 2028, 2158, 2197, 2490, 2535, 3237, 3320, 3380, 4056, 4316, 4394, 4980, 5070, 5395, 6474, 6591, 6760, 8632, 8788, 9960, 10140, 10790, 10985, 12948, 13182, 14027, 16185, 17576, 20280, 21580, 21970, 25896, 26364, 28054, 32370, 32955, 42081, 43160, 43940, 52728, 56108, 64740, 65910, 70135, 84162, 87880, 112216, 129480, 131820, 140270, 168324, 182351, 210405, 263640, 280540, 336648, 364702, 420810, 547053, 561080, 729404, 841620, 911755, 1094106, 1458808, 1683240, 1823510, 2188212, 2735265, 3647020, 4376424, 5470530, 7294040, 10941060, 21882120]

約数ペア:

[(1, 21882120), (2, 10941060), (3, 7294040), (4, 5470530), (5, 4376424), (6, 3647020), (8, 2735265), (10, 2188212), (12, 1823510), (13, 1683240), (15, 1458808), (20, 1094106), (24, 911755), (26, 841620), (30, 729404), (39, 561080), (40, 547053), (52, 420810), (60, 364702), (65, 336648), (78, 280540), (83, 263640), (104, 210405), (120, 182351), (130, 168324), (156, 140270), (166, 131820), (169, 129480), (195, 112216), (249, 87880), (260, 84162), (312, 70135), (332, 65910), (338, 64740), (390, 56108), (415, 52728), (498, 43940), (507, 43160), (520, 42081), (664, 32955), (676, 32370), (780, 28054), (830, 26364), (845, 25896), (996, 21970), (1014, 21580), (1079, 20280), (1245, 17576), (1352, 16185), (1560, 14027), (1660, 13182), (1690, 12948), (1992, 10985), (2028, 10790), (2158, 10140), (2197, 9960), (2490, 8788), (2535, 8632), (3237, 6760), (3320, 6591), (3380, 6474), (4056, 5395), (4316, 5070), (4394, 4980)]