21531984

素因数分解:

$2^4\times 3^1\times {\mathrm{293}}^1\times {\mathrm{1531}}^1$

素因数の和:1835

約数の個数: 40

約数和(自身を含む): 55850592

約数和(自身を除く): 34318608

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 293, 586, 879, 1172, 1531, 1758, 2344, 3062, 3516, 4593, 4688, 6124, 7032, 9186, 12248, 14064, 18372, 24496, 36744, 73488, 448583, 897166, 1345749, 1794332, 2691498, 3588664, 5382996, 7177328, 10765992, 21531984]

約数ペア:

[(1, 21531984), (2, 10765992), (3, 7177328), (4, 5382996), (6, 3588664), (8, 2691498), (12, 1794332), (16, 1345749), (24, 897166), (48, 448583), (293, 73488), (586, 36744), (879, 24496), (1172, 18372), (1531, 14064), (1758, 12248), (2344, 9186), (3062, 7032), (3516, 6124), (4593, 4688)]