21163272

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{2339}}^1$

素因数の和:2390

約数の個数: 64

約数和(自身を含む): 58968000

約数和(自身を除く): 37804728

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 29, 39, 52, 58, 78, 87, 104, 116, 156, 174, 232, 312, 348, 377, 696, 754, 1131, 1508, 2262, 2339, 3016, 4524, 4678, 7017, 9048, 9356, 14034, 18712, 28068, 30407, 56136, 60814, 67831, 91221, 121628, 135662, 182442, 203493, 243256, 271324, 364884, 406986, 542648, 729768, 813972, 881803, 1627944, 1763606, 2645409, 3527212, 5290818, 7054424, 10581636, 21163272]

約数ペア:

[(1, 21163272), (2, 10581636), (3, 7054424), (4, 5290818), (6, 3527212), (8, 2645409), (12, 1763606), (13, 1627944), (24, 881803), (26, 813972), (29, 729768), (39, 542648), (52, 406986), (58, 364884), (78, 271324), (87, 243256), (104, 203493), (116, 182442), (156, 135662), (174, 121628), (232, 91221), (312, 67831), (348, 60814), (377, 56136), (696, 30407), (754, 28068), (1131, 18712), (1508, 14034), (2262, 9356), (2339, 9048), (3016, 7017), (4524, 4678)]