21576248

素因数分解:

$2^3\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{241}}^1$

素因数の和:316

約数の個数: 48

約数和(自身を含む): 44256960

約数和(自身を除く): 22680712

約数列:

[1, 2, 4, 8, 19, 31, 38, 62, 76, 124, 152, 241, 248, 361, 482, 589, 722, 964, 1178, 1444, 1928, 2356, 2888, 4579, 4712, 7471, 9158, 11191, 14942, 18316, 22382, 29884, 36632, 44764, 59768, 87001, 89528, 141949, 174002, 283898, 348004, 567796, 696008, 1135592, 2697031, 5394062, 10788124, 21576248]

約数ペア:

[(1, 21576248), (2, 10788124), (4, 5394062), (8, 2697031), (19, 1135592), (31, 696008), (38, 567796), (62, 348004), (76, 283898), (124, 174002), (152, 141949), (241, 89528), (248, 87001), (361, 59768), (482, 44764), (589, 36632), (722, 29884), (964, 22382), (1178, 18316), (1444, 14942), (1928, 11191), (2356, 9158), (2888, 7471), (4579, 4712)]