21043296

素因数分解:

$2^5\times 3^2\times {\mathrm{31}}^1\times {\mathrm{2357}}^1$

素因数の和:2404

約数の個数: 72

約数和(自身を含む): 61798464

約数和(自身を除く): 40755168

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 31, 32, 36, 48, 62, 72, 93, 96, 124, 144, 186, 248, 279, 288, 372, 496, 558, 744, 992, 1116, 1488, 2232, 2357, 2976, 4464, 4714, 7071, 8928, 9428, 14142, 18856, 21213, 28284, 37712, 42426, 56568, 73067, 75424, 84852, 113136, 146134, 169704, 219201, 226272, 292268, 339408, 438402, 584536, 657603, 678816, 876804, 1169072, 1315206, 1753608, 2338144, 2630412, 3507216, 5260824, 7014432, 10521648, 21043296]

約数ペア:

[(1, 21043296), (2, 10521648), (3, 7014432), (4, 5260824), (6, 3507216), (8, 2630412), (9, 2338144), (12, 1753608), (16, 1315206), (18, 1169072), (24, 876804), (31, 678816), (32, 657603), (36, 584536), (48, 438402), (62, 339408), (72, 292268), (93, 226272), (96, 219201), (124, 169704), (144, 146134), (186, 113136), (248, 84852), (279, 75424), (288, 73067), (372, 56568), (496, 42426), (558, 37712), (744, 28284), (992, 21213), (1116, 18856), (1488, 14142), (2232, 9428), (2357, 8928), (2976, 7071), (4464, 4714)]