21129372

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{229}}^1\times {\mathrm{233}}^1$

素因数の和:483

約数の個数: 72

約数和(自身を含む): 58771440

約数和(自身を除く): 37642068

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 132, 198, 229, 233, 396, 458, 466, 687, 699, 916, 932, 1374, 1398, 2061, 2097, 2519, 2563, 2748, 2796, 4122, 4194, 5038, 5126, 7557, 7689, 8244, 8388, 10076, 10252, 15114, 15378, 22671, 23067, 30228, 30756, 45342, 46134, 53357, 90684, 92268, 106714, 160071, 213428, 320142, 480213, 586927, 640284, 960426, 1173854, 1760781, 1920852, 2347708, 3521562, 5282343, 7043124, 10564686, 21129372]

約数ペア:

[(1, 21129372), (2, 10564686), (3, 7043124), (4, 5282343), (6, 3521562), (9, 2347708), (11, 1920852), (12, 1760781), (18, 1173854), (22, 960426), (33, 640284), (36, 586927), (44, 480213), (66, 320142), (99, 213428), (132, 160071), (198, 106714), (229, 92268), (233, 90684), (396, 53357), (458, 46134), (466, 45342), (687, 30756), (699, 30228), (916, 23067), (932, 22671), (1374, 15378), (1398, 15114), (2061, 10252), (2097, 10076), (2519, 8388), (2563, 8244), (2748, 7689), (2796, 7557), (4122, 5126), (4194, 5038)]