21337524

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{359}}^1$

素因数の和:509

約数の個数: 72

約数和(自身を含む): 58705920

約数和(自身を除く): 37368396

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 127, 156, 234, 254, 359, 381, 468, 508, 718, 762, 1077, 1143, 1436, 1524, 1651, 2154, 2286, 3231, 3302, 4308, 4572, 4667, 4953, 6462, 6604, 9334, 9906, 12924, 14001, 14859, 18668, 19812, 28002, 29718, 42003, 45593, 56004, 59436, 84006, 91186, 136779, 168012, 182372, 273558, 410337, 547116, 592709, 820674, 1185418, 1641348, 1778127, 2370836, 3556254, 5334381, 7112508, 10668762, 21337524]

約数ペア:

[(1, 21337524), (2, 10668762), (3, 7112508), (4, 5334381), (6, 3556254), (9, 2370836), (12, 1778127), (13, 1641348), (18, 1185418), (26, 820674), (36, 592709), (39, 547116), (52, 410337), (78, 273558), (117, 182372), (127, 168012), (156, 136779), (234, 91186), (254, 84006), (359, 59436), (381, 56004), (468, 45593), (508, 42003), (718, 29718), (762, 28002), (1077, 19812), (1143, 18668), (1436, 14859), (1524, 14001), (1651, 12924), (2154, 9906), (2286, 9334), (3231, 6604), (3302, 6462), (4308, 4953), (4572, 4667)]