21995532

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1093}}^1$

素因数の和:1159

約数の個数: 72

約数和(自身を含む): 61325264

約数和(自身を除く): 39329732

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 43, 52, 78, 86, 117, 129, 156, 172, 234, 258, 387, 468, 516, 559, 774, 1093, 1118, 1548, 1677, 2186, 2236, 3279, 3354, 4372, 5031, 6558, 6708, 9837, 10062, 13116, 14209, 19674, 20124, 28418, 39348, 42627, 46999, 56836, 85254, 93998, 127881, 140997, 170508, 187996, 255762, 281994, 422991, 511524, 563988, 610987, 845982, 1221974, 1691964, 1832961, 2443948, 3665922, 5498883, 7331844, 10997766, 21995532]

約数ペア:

[(1, 21995532), (2, 10997766), (3, 7331844), (4, 5498883), (6, 3665922), (9, 2443948), (12, 1832961), (13, 1691964), (18, 1221974), (26, 845982), (36, 610987), (39, 563988), (43, 511524), (52, 422991), (78, 281994), (86, 255762), (117, 187996), (129, 170508), (156, 140997), (172, 127881), (234, 93998), (258, 85254), (387, 56836), (468, 46999), (516, 42627), (559, 39348), (774, 28418), (1093, 20124), (1118, 19674), (1548, 14209), (1677, 13116), (2186, 10062), (2236, 9837), (3279, 6708), (3354, 6558), (4372, 5031)]