21947312

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{113}}^1\times {\mathrm{199}}^1$

素因数の和:381

約数の個数: 40

約数和(自身を含む): 43821600

約数和(自身を除く): 21874288

約数列:

[1, 2, 4, 8, 16, 61, 113, 122, 199, 226, 244, 398, 452, 488, 796, 904, 976, 1592, 1808, 3184, 6893, 12139, 13786, 22487, 24278, 27572, 44974, 48556, 55144, 89948, 97112, 110288, 179896, 194224, 359792, 1371707, 2743414, 5486828, 10973656, 21947312]

約数ペア:

[(1, 21947312), (2, 10973656), (4, 5486828), (8, 2743414), (16, 1371707), (61, 359792), (113, 194224), (122, 179896), (199, 110288), (226, 97112), (244, 89948), (398, 55144), (452, 48556), (488, 44974), (796, 27572), (904, 24278), (976, 22487), (1592, 13786), (1808, 12139), (3184, 6893)]