21645294

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{421}}^1$

素因数の和:497

約数の個数: 64

約数和(自身を含む): 51045120

約数和(自身を除く): 29399826

約数列:

[1, 2, 3, 6, 11, 19, 22, 33, 38, 41, 57, 66, 82, 114, 123, 209, 246, 418, 421, 451, 627, 779, 842, 902, 1254, 1263, 1353, 1558, 2337, 2526, 2706, 4631, 4674, 7999, 8569, 9262, 13893, 15998, 17138, 17261, 23997, 25707, 27786, 34522, 47994, 51414, 51783, 87989, 103566, 175978, 189871, 263967, 327959, 379742, 527934, 569613, 655918, 983877, 1139226, 1967754, 3607549, 7215098, 10822647, 21645294]

約数ペア:

[(1, 21645294), (2, 10822647), (3, 7215098), (6, 3607549), (11, 1967754), (19, 1139226), (22, 983877), (33, 655918), (38, 569613), (41, 527934), (57, 379742), (66, 327959), (82, 263967), (114, 189871), (123, 175978), (209, 103566), (246, 87989), (418, 51783), (421, 51414), (451, 47994), (627, 34522), (779, 27786), (842, 25707), (902, 23997), (1254, 17261), (1263, 17138), (1353, 15998), (1558, 13893), (2337, 9262), (2526, 8569), (2706, 7999), (4631, 4674)]