21835920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{2459}}^1$

素因数の和:2512

約数の個数: 80

約数和(自身を含む): 69549120

約数和(自身を除く): 47713200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 37, 40, 48, 60, 74, 80, 111, 120, 148, 185, 222, 240, 296, 370, 444, 555, 592, 740, 888, 1110, 1480, 1776, 2220, 2459, 2960, 4440, 4918, 7377, 8880, 9836, 12295, 14754, 19672, 24590, 29508, 36885, 39344, 49180, 59016, 73770, 90983, 98360, 118032, 147540, 181966, 196720, 272949, 295080, 363932, 454915, 545898, 590160, 727864, 909830, 1091796, 1364745, 1455728, 1819660, 2183592, 2729490, 3639320, 4367184, 5458980, 7278640, 10917960, 21835920]

約数ペア:

[(1, 21835920), (2, 10917960), (3, 7278640), (4, 5458980), (5, 4367184), (6, 3639320), (8, 2729490), (10, 2183592), (12, 1819660), (15, 1455728), (16, 1364745), (20, 1091796), (24, 909830), (30, 727864), (37, 590160), (40, 545898), (48, 454915), (60, 363932), (74, 295080), (80, 272949), (111, 196720), (120, 181966), (148, 147540), (185, 118032), (222, 98360), (240, 90983), (296, 73770), (370, 59016), (444, 49180), (555, 39344), (592, 36885), (740, 29508), (888, 24590), (1110, 19672), (1480, 14754), (1776, 12295), (2220, 9836), (2459, 8880), (2960, 7377), (4440, 4918)]