21938790

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{151}}^1\times {\mathrm{167}}^1$

素因数の和:357

約数の個数: 64

約数和(自身を含む): 55157760

約数和(自身を除く): 33218970

約数列:

[1, 2, 3, 5, 6, 10, 15, 29, 30, 58, 87, 145, 151, 167, 174, 290, 302, 334, 435, 453, 501, 755, 835, 870, 906, 1002, 1510, 1670, 2265, 2505, 4379, 4530, 4843, 5010, 8758, 9686, 13137, 14529, 21895, 24215, 25217, 26274, 29058, 43790, 48430, 50434, 65685, 72645, 75651, 126085, 131370, 145290, 151302, 252170, 378255, 731293, 756510, 1462586, 2193879, 3656465, 4387758, 7312930, 10969395, 21938790]

約数ペア:

[(1, 21938790), (2, 10969395), (3, 7312930), (5, 4387758), (6, 3656465), (10, 2193879), (15, 1462586), (29, 756510), (30, 731293), (58, 378255), (87, 252170), (145, 151302), (151, 145290), (167, 131370), (174, 126085), (290, 75651), (302, 72645), (334, 65685), (435, 50434), (453, 48430), (501, 43790), (755, 29058), (835, 26274), (870, 25217), (906, 24215), (1002, 21895), (1510, 14529), (1670, 13137), (2265, 9686), (2505, 8758), (4379, 5010), (4530, 4843)]