21699504

素因数分解:

$2^4\times 3^2\times {\mathrm{31}}^1\times {\mathrm{4861}}^1$

素因数の和:4906

約数の個数: 60

約数和(自身を含む): 62700352

約数和(自身を除く): 41000848

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 31, 36, 48, 62, 72, 93, 124, 144, 186, 248, 279, 372, 496, 558, 744, 1116, 1488, 2232, 4464, 4861, 9722, 14583, 19444, 29166, 38888, 43749, 58332, 77776, 87498, 116664, 150691, 174996, 233328, 301382, 349992, 452073, 602764, 699984, 904146, 1205528, 1356219, 1808292, 2411056, 2712438, 3616584, 5424876, 7233168, 10849752, 21699504]

約数ペア:

[(1, 21699504), (2, 10849752), (3, 7233168), (4, 5424876), (6, 3616584), (8, 2712438), (9, 2411056), (12, 1808292), (16, 1356219), (18, 1205528), (24, 904146), (31, 699984), (36, 602764), (48, 452073), (62, 349992), (72, 301382), (93, 233328), (124, 174996), (144, 150691), (186, 116664), (248, 87498), (279, 77776), (372, 58332), (496, 43749), (558, 38888), (744, 29166), (1116, 19444), (1488, 14583), (2232, 9722), (4464, 4861)]