21767416

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{113}}^1\times {\mathrm{199}}^1$

素因数の和:340

約数の個数: 48

約数和(自身を含む): 45486000

約数和(自身を除く): 23718584

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 113, 121, 199, 226, 242, 398, 452, 484, 796, 904, 968, 1243, 1592, 2189, 2486, 4378, 4972, 8756, 9944, 13673, 17512, 22487, 24079, 27346, 44974, 48158, 54692, 89948, 96316, 109384, 179896, 192632, 247357, 494714, 989428, 1978856, 2720927, 5441854, 10883708, 21767416]

約数ペア:

[(1, 21767416), (2, 10883708), (4, 5441854), (8, 2720927), (11, 1978856), (22, 989428), (44, 494714), (88, 247357), (113, 192632), (121, 179896), (199, 109384), (226, 96316), (242, 89948), (398, 54692), (452, 48158), (484, 44974), (796, 27346), (904, 24079), (968, 22487), (1243, 17512), (1592, 13673), (2189, 9944), (2486, 8756), (4378, 4972)]