21456816

素因数分解:

$2^4\times 3^1\times {\mathrm{47}}^1\times {\mathrm{9511}}^1$

素因数の和:9569

約数の個数: 40

約数和(自身を含む): 56615424

約数和(自身を除く): 35158608

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 47, 48, 94, 141, 188, 282, 376, 564, 752, 1128, 2256, 9511, 19022, 28533, 38044, 57066, 76088, 114132, 152176, 228264, 447017, 456528, 894034, 1341051, 1788068, 2682102, 3576136, 5364204, 7152272, 10728408, 21456816]

約数ペア:

[(1, 21456816), (2, 10728408), (3, 7152272), (4, 5364204), (6, 3576136), (8, 2682102), (12, 1788068), (16, 1341051), (24, 894034), (47, 456528), (48, 447017), (94, 228264), (141, 152176), (188, 114132), (282, 76088), (376, 57066), (564, 38044), (752, 28533), (1128, 19022), (2256, 9511)]