21722096

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{1487}}^1$

素因数の和:1589

約数の個数: 40

約数和(自身を含む): 46497024

約数和(自身を除く): 24774928

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 83, 88, 166, 176, 332, 664, 913, 1328, 1487, 1826, 2974, 3652, 5948, 7304, 11896, 14608, 16357, 23792, 32714, 65428, 123421, 130856, 246842, 261712, 493684, 987368, 1357631, 1974736, 2715262, 5430524, 10861048, 21722096]

約数ペア:

[(1, 21722096), (2, 10861048), (4, 5430524), (8, 2715262), (11, 1974736), (16, 1357631), (22, 987368), (44, 493684), (83, 261712), (88, 246842), (166, 130856), (176, 123421), (332, 65428), (664, 32714), (913, 23792), (1328, 16357), (1487, 14608), (1826, 11896), (2974, 7304), (3652, 5948)]