21341430

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{21557}}^1$

素因数の和:21581

約数の個数: 48

約数和(自身を含む): 60534864

約数和(自身を除く): 39193434

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 30, 33, 45, 55, 66, 90, 99, 110, 165, 198, 330, 495, 990, 21557, 43114, 64671, 107785, 129342, 194013, 215570, 237127, 323355, 388026, 474254, 646710, 711381, 970065, 1185635, 1422762, 1940130, 2134143, 2371270, 3556905, 4268286, 7113810, 10670715, 21341430]

約数ペア:

[(1, 21341430), (2, 10670715), (3, 7113810), (5, 4268286), (6, 3556905), (9, 2371270), (10, 2134143), (11, 1940130), (15, 1422762), (18, 1185635), (22, 970065), (30, 711381), (33, 646710), (45, 474254), (55, 388026), (66, 323355), (90, 237127), (99, 215570), (110, 194013), (165, 129342), (198, 107785), (330, 64671), (495, 43114), (990, 21557)]