21816528

素因数分解:

$2^4\times 3^1\times {\mathrm{61}}^1\times {\mathrm{7451}}^1$

素因数の和:7523

約数の個数: 40

約数和(自身を含む): 57290976

約数和(自身を除く): 35474448

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 61, 122, 183, 244, 366, 488, 732, 976, 1464, 2928, 7451, 14902, 22353, 29804, 44706, 59608, 89412, 119216, 178824, 357648, 454511, 909022, 1363533, 1818044, 2727066, 3636088, 5454132, 7272176, 10908264, 21816528]

約数ペア:

[(1, 21816528), (2, 10908264), (3, 7272176), (4, 5454132), (6, 3636088), (8, 2727066), (12, 1818044), (16, 1363533), (24, 909022), (48, 454511), (61, 357648), (122, 178824), (183, 119216), (244, 89412), (366, 59608), (488, 44706), (732, 29804), (976, 22353), (1464, 14902), (2928, 7451)]