21816600

素因数分解:

$2^3\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{2797}}^1$

素因数の和:2829

約数の個数: 96

約数和(自身を含む): 72859920

約数和(自身を除く): 51043320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 25, 26, 30, 39, 40, 50, 52, 60, 65, 75, 78, 100, 104, 120, 130, 150, 156, 195, 200, 260, 300, 312, 325, 390, 520, 600, 650, 780, 975, 1300, 1560, 1950, 2600, 2797, 3900, 5594, 7800, 8391, 11188, 13985, 16782, 22376, 27970, 33564, 36361, 41955, 55940, 67128, 69925, 72722, 83910, 109083, 111880, 139850, 145444, 167820, 181805, 209775, 218166, 279700, 290888, 335640, 363610, 419550, 436332, 545415, 559400, 727220, 839100, 872664, 909025, 1090830, 1454440, 1678200, 1818050, 2181660, 2727075, 3636100, 4363320, 5454150, 7272200, 10908300, 21816600]

約数ペア:

[(1, 21816600), (2, 10908300), (3, 7272200), (4, 5454150), (5, 4363320), (6, 3636100), (8, 2727075), (10, 2181660), (12, 1818050), (13, 1678200), (15, 1454440), (20, 1090830), (24, 909025), (25, 872664), (26, 839100), (30, 727220), (39, 559400), (40, 545415), (50, 436332), (52, 419550), (60, 363610), (65, 335640), (75, 290888), (78, 279700), (100, 218166), (104, 209775), (120, 181805), (130, 167820), (150, 145444), (156, 139850), (195, 111880), (200, 109083), (260, 83910), (300, 72722), (312, 69925), (325, 67128), (390, 55940), (520, 41955), (600, 36361), (650, 33564), (780, 27970), (975, 22376), (1300, 16782), (1560, 13985), (1950, 11188), (2600, 8391), (2797, 7800), (3900, 5594)]