21000902535

素因数分解:

$3^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{113}}^1\times {\mathrm{33577}}^1$

素因数の和:33745

約数の個数: 64

約数和(自身を含む): 38585151360

約数和(自身を除く): 17584248825

約数列:

[1, 3, 5, 9, 15, 27, 41, 45, 113, 123, 135, 205, 339, 369, 565, 615, 1017, 1107, 1695, 1845, 3051, 4633, 5085, 5535, 13899, 15255, 23165, 33577, 41697, 69495, 100731, 125091, 167885, 208485, 302193, 503655, 625455, 906579, 1376657, 1510965, 3794201, 4129971, 4532895, 6883285, 11382603, 12389913, 18971005, 20649855, 34147809, 37169739, 56913015, 61949565, 102443427, 155562241, 170739045, 185848695, 466686723, 512217135, 777811205, 1400060169, 2333433615, 4200180507, 7000300845, 21000902535]

約数ペア:

[(1, 21000902535), (3, 7000300845), (5, 4200180507), (9, 2333433615), (15, 1400060169), (27, 777811205), (41, 512217135), (45, 466686723), (113, 185848695), (123, 170739045), (135, 155562241), (205, 102443427), (339, 61949565), (369, 56913015), (565, 37169739), (615, 34147809), (1017, 20649855), (1107, 18971005), (1695, 12389913), (1845, 11382603), (3051, 6883285), (4633, 4532895), (5085, 4129971), (5535, 3794201), (13899, 1510965), (15255, 1376657), (23165, 906579), (33577, 625455), (41697, 503655), (69495, 302193), (100731, 208485), (125091, 167885)]