21465612

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{103}}^1\times {\mathrm{827}}^1$

素因数の和:947

約数の個数: 72

約数和(自身を含む): 62689536

約数和(自身を除く): 41223924

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 103, 126, 206, 252, 309, 412, 618, 721, 827, 927, 1236, 1442, 1654, 1854, 2163, 2481, 2884, 3308, 3708, 4326, 4962, 5789, 6489, 7443, 8652, 9924, 11578, 12978, 14886, 17367, 23156, 25956, 29772, 34734, 52101, 69468, 85181, 104202, 170362, 208404, 255543, 340724, 511086, 596267, 766629, 1022172, 1192534, 1533258, 1788801, 2385068, 3066516, 3577602, 5366403, 7155204, 10732806, 21465612]

約数ペア:

[(1, 21465612), (2, 10732806), (3, 7155204), (4, 5366403), (6, 3577602), (7, 3066516), (9, 2385068), (12, 1788801), (14, 1533258), (18, 1192534), (21, 1022172), (28, 766629), (36, 596267), (42, 511086), (63, 340724), (84, 255543), (103, 208404), (126, 170362), (206, 104202), (252, 85181), (309, 69468), (412, 52101), (618, 34734), (721, 29772), (827, 25956), (927, 23156), (1236, 17367), (1442, 14886), (1654, 12978), (1854, 11578), (2163, 9924), (2481, 8652), (2884, 7443), (3308, 6489), (3708, 5789), (4326, 4962)]