21856960

素因数分解:

$2^6\times 5^1\times {\mathrm{167}}^1\times {\mathrm{409}}^1$

素因数の和:593

約数の個数: 56

約数和(自身を含む): 52486560

約数和(自身を除く): 30629600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 167, 320, 334, 409, 668, 818, 835, 1336, 1636, 1670, 2045, 2672, 3272, 3340, 4090, 5344, 6544, 6680, 8180, 10688, 13088, 13360, 16360, 26176, 26720, 32720, 53440, 65440, 68303, 130880, 136606, 273212, 341515, 546424, 683030, 1092848, 1366060, 2185696, 2732120, 4371392, 5464240, 10928480, 21856960]

約数ペア:

[(1, 21856960), (2, 10928480), (4, 5464240), (5, 4371392), (8, 2732120), (10, 2185696), (16, 1366060), (20, 1092848), (32, 683030), (40, 546424), (64, 341515), (80, 273212), (160, 136606), (167, 130880), (320, 68303), (334, 65440), (409, 53440), (668, 32720), (818, 26720), (835, 26176), (1336, 16360), (1636, 13360), (1670, 13088), (2045, 10688), (2672, 8180), (3272, 6680), (3340, 6544), (4090, 5344)]