21531408

素因数分解:

$2^4\times 3^1\times {\mathrm{19}}^1\times {\mathrm{23609}}^1$

素因数の和:23639

約数の個数: 40

約数和(自身を含む): 58552800

約数和(自身を除く): 37021392

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 38, 48, 57, 76, 114, 152, 228, 304, 456, 912, 23609, 47218, 70827, 94436, 141654, 188872, 283308, 377744, 448571, 566616, 897142, 1133232, 1345713, 1794284, 2691426, 3588568, 5382852, 7177136, 10765704, 21531408]

約数ペア:

[(1, 21531408), (2, 10765704), (3, 7177136), (4, 5382852), (6, 3588568), (8, 2691426), (12, 1794284), (16, 1345713), (19, 1133232), (24, 897142), (38, 566616), (48, 448571), (57, 377744), (76, 283308), (114, 188872), (152, 141654), (228, 94436), (304, 70827), (456, 47218), (912, 23609)]