21386554720

素因数分解:

$2^5\times 5^1\times {\mathrm{3187}}^1\times {\mathrm{41941}}^1$

素因数の和:45143

約数の個数: 48

約数和(自身を含む): 50542794288

約数和(自身を除く): 29156239568

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 3187, 6374, 12748, 15935, 25496, 31870, 41941, 50992, 63740, 83882, 101984, 127480, 167764, 209705, 254960, 335528, 419410, 509920, 671056, 838820, 1342112, 1677640, 3355280, 6710560, 133665967, 267331934, 534663868, 668329835, 1069327736, 1336659670, 2138655472, 2673319340, 4277310944, 5346638680, 10693277360, 21386554720]

約数ペア:

[(1, 21386554720), (2, 10693277360), (4, 5346638680), (5, 4277310944), (8, 2673319340), (10, 2138655472), (16, 1336659670), (20, 1069327736), (32, 668329835), (40, 534663868), (80, 267331934), (160, 133665967), (3187, 6710560), (6374, 3355280), (12748, 1677640), (15935, 1342112), (25496, 838820), (31870, 671056), (41941, 509920), (50992, 419410), (63740, 335528), (83882, 254960), (101984, 209705), (127480, 167764)]