21934515

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{1097}}^1$

素因数の和:1179

約数の個数: 32

約数和(自身を含む): 37103616

約数和(自身を除く): 15169101

約数列:

[1, 3, 5, 15, 31, 43, 93, 129, 155, 215, 465, 645, 1097, 1333, 3291, 3999, 5485, 6665, 16455, 19995, 34007, 47171, 102021, 141513, 170035, 235855, 510105, 707565, 1462301, 4386903, 7311505, 21934515]

約数ペア:

[(1, 21934515), (3, 7311505), (5, 4386903), (15, 1462301), (31, 707565), (43, 510105), (93, 235855), (129, 170035), (155, 141513), (215, 102021), (465, 47171), (645, 34007), (1097, 19995), (1333, 16455), (3291, 6665), (3999, 5485)]