21655608

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2239}}^1$

素因数の和:2292

約数の個数: 64

約数和(自身を含む): 60211200

約数和(自身を除く): 38555592

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 31, 39, 52, 62, 78, 93, 104, 124, 156, 186, 248, 312, 372, 403, 744, 806, 1209, 1612, 2239, 2418, 3224, 4478, 4836, 6717, 8956, 9672, 13434, 17912, 26868, 29107, 53736, 58214, 69409, 87321, 116428, 138818, 174642, 208227, 232856, 277636, 349284, 416454, 555272, 698568, 832908, 902317, 1665816, 1804634, 2706951, 3609268, 5413902, 7218536, 10827804, 21655608]

約数ペア:

[(1, 21655608), (2, 10827804), (3, 7218536), (4, 5413902), (6, 3609268), (8, 2706951), (12, 1804634), (13, 1665816), (24, 902317), (26, 832908), (31, 698568), (39, 555272), (52, 416454), (62, 349284), (78, 277636), (93, 232856), (104, 208227), (124, 174642), (156, 138818), (186, 116428), (248, 87321), (312, 69409), (372, 58214), (403, 53736), (744, 29107), (806, 26868), (1209, 17912), (1612, 13434), (2239, 9672), (2418, 8956), (3224, 6717), (4478, 4836)]