21270696

素因数分解:

$2^3\times 3^1\times {\mathrm{47}}^1\times {\mathrm{109}}^1\times {\mathrm{173}}^1$

素因数の和:338

約数の個数: 64

約数和(自身を含む): 55123200

約数和(自身を除く): 33852504

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 47, 94, 109, 141, 173, 188, 218, 282, 327, 346, 376, 436, 519, 564, 654, 692, 872, 1038, 1128, 1308, 1384, 2076, 2616, 4152, 5123, 8131, 10246, 15369, 16262, 18857, 20492, 24393, 30738, 32524, 37714, 40984, 48786, 56571, 61476, 65048, 75428, 97572, 113142, 122952, 150856, 195144, 226284, 452568, 886279, 1772558, 2658837, 3545116, 5317674, 7090232, 10635348, 21270696]

約数ペア:

[(1, 21270696), (2, 10635348), (3, 7090232), (4, 5317674), (6, 3545116), (8, 2658837), (12, 1772558), (24, 886279), (47, 452568), (94, 226284), (109, 195144), (141, 150856), (173, 122952), (188, 113142), (218, 97572), (282, 75428), (327, 65048), (346, 61476), (376, 56571), (436, 48786), (519, 40984), (564, 37714), (654, 32524), (692, 30738), (872, 24393), (1038, 20492), (1128, 18857), (1308, 16262), (1384, 15369), (2076, 10246), (2616, 8131), (4152, 5123)]