21815160

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{107}}^1\times {\mathrm{1699}}^1$

素因数の和:1820

約数の個数: 64

約数和(自身を含む): 66096000

約数和(自身を除く): 44280840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 107, 120, 214, 321, 428, 535, 642, 856, 1070, 1284, 1605, 1699, 2140, 2568, 3210, 3398, 4280, 5097, 6420, 6796, 8495, 10194, 12840, 13592, 16990, 20388, 25485, 33980, 40776, 50970, 67960, 101940, 181793, 203880, 363586, 545379, 727172, 908965, 1090758, 1454344, 1817930, 2181516, 2726895, 3635860, 4363032, 5453790, 7271720, 10907580, 21815160]

約数ペア:

[(1, 21815160), (2, 10907580), (3, 7271720), (4, 5453790), (5, 4363032), (6, 3635860), (8, 2726895), (10, 2181516), (12, 1817930), (15, 1454344), (20, 1090758), (24, 908965), (30, 727172), (40, 545379), (60, 363586), (107, 203880), (120, 181793), (214, 101940), (321, 67960), (428, 50970), (535, 40776), (642, 33980), (856, 25485), (1070, 20388), (1284, 16990), (1605, 13592), (1699, 12840), (2140, 10194), (2568, 8495), (3210, 6796), (3398, 6420), (4280, 5097)]