21696304

素因数分解:

$2^4\times 7^1\times {\mathrm{307}}^1\times {\mathrm{631}}^1$

素因数の和:953

約数の個数: 40

約数和(自身を含む): 48274688

約数和(自身を除く): 26578384

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 307, 614, 631, 1228, 1262, 2149, 2456, 2524, 4298, 4417, 4912, 5048, 8596, 8834, 10096, 17192, 17668, 34384, 35336, 70672, 193717, 387434, 774868, 1356019, 1549736, 2712038, 3099472, 5424076, 10848152, 21696304]

約数ペア:

[(1, 21696304), (2, 10848152), (4, 5424076), (7, 3099472), (8, 2712038), (14, 1549736), (16, 1356019), (28, 774868), (56, 387434), (112, 193717), (307, 70672), (614, 35336), (631, 34384), (1228, 17668), (1262, 17192), (2149, 10096), (2456, 8834), (2524, 8596), (4298, 5048), (4417, 4912)]