21337632

素因数分解:

$2^5\times 3^2\times {\mathrm{43}}^1\times {\mathrm{1723}}^1$

素因数の和:1782

約数の個数: 72

約数和(自身を含む): 62126064

約数和(自身を除く): 40788432

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 43, 48, 72, 86, 96, 129, 144, 172, 258, 288, 344, 387, 516, 688, 774, 1032, 1376, 1548, 1723, 2064, 3096, 3446, 4128, 5169, 6192, 6892, 10338, 12384, 13784, 15507, 20676, 27568, 31014, 41352, 55136, 62028, 74089, 82704, 124056, 148178, 165408, 222267, 248112, 296356, 444534, 496224, 592712, 666801, 889068, 1185424, 1333602, 1778136, 2370848, 2667204, 3556272, 5334408, 7112544, 10668816, 21337632]

約数ペア:

[(1, 21337632), (2, 10668816), (3, 7112544), (4, 5334408), (6, 3556272), (8, 2667204), (9, 2370848), (12, 1778136), (16, 1333602), (18, 1185424), (24, 889068), (32, 666801), (36, 592712), (43, 496224), (48, 444534), (72, 296356), (86, 248112), (96, 222267), (129, 165408), (144, 148178), (172, 124056), (258, 82704), (288, 74089), (344, 62028), (387, 55136), (516, 41352), (688, 31014), (774, 27568), (1032, 20676), (1376, 15507), (1548, 13784), (1723, 12384), (2064, 10338), (3096, 6892), (3446, 6192), (4128, 5169)]