21854535

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{1093}}^1$

素因数の和:1175

約数の個数: 32

約数和(自身を含む): 36968448

約数和(自身を除く): 15113913

約数列:

[1, 3, 5, 15, 31, 43, 93, 129, 155, 215, 465, 645, 1093, 1333, 3279, 3999, 5465, 6665, 16395, 19995, 33883, 46999, 101649, 140997, 169415, 234995, 508245, 704985, 1456969, 4370907, 7284845, 21854535]

約数ペア:

[(1, 21854535), (3, 7284845), (5, 4370907), (15, 1456969), (31, 704985), (43, 508245), (93, 234995), (129, 169415), (155, 140997), (215, 101649), (465, 46999), (645, 33883), (1093, 19995), (1333, 16395), (3279, 6665), (3999, 5465)]