21710096

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{659}}^1$

素因数の和:767

約数の個数: 40

約数和(自身を含む): 44193600

約数和(自身を除く): 22483504

約数列:

[1, 2, 4, 8, 16, 29, 58, 71, 116, 142, 232, 284, 464, 568, 659, 1136, 1318, 2059, 2636, 4118, 5272, 8236, 10544, 16472, 19111, 32944, 38222, 46789, 76444, 93578, 152888, 187156, 305776, 374312, 748624, 1356881, 2713762, 5427524, 10855048, 21710096]

約数ペア:

[(1, 21710096), (2, 10855048), (4, 5427524), (8, 2713762), (16, 1356881), (29, 748624), (58, 374312), (71, 305776), (116, 187156), (142, 152888), (232, 93578), (284, 76444), (464, 46789), (568, 38222), (659, 32944), (1136, 19111), (1318, 16472), (2059, 10544), (2636, 8236), (4118, 5272)]