21868960

素因数分解:

$2^5\times 5^1\times {\mathrm{103}}^1\times {\mathrm{1327}}^1$

素因数の和:1445

約数の個数: 48

約数和(自身を含む): 52206336

約数和(自身を除く): 30337376

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 103, 160, 206, 412, 515, 824, 1030, 1327, 1648, 2060, 2654, 3296, 4120, 5308, 6635, 8240, 10616, 13270, 16480, 21232, 26540, 42464, 53080, 106160, 136681, 212320, 273362, 546724, 683405, 1093448, 1366810, 2186896, 2733620, 4373792, 5467240, 10934480, 21868960]

約数ペア:

[(1, 21868960), (2, 10934480), (4, 5467240), (5, 4373792), (8, 2733620), (10, 2186896), (16, 1366810), (20, 1093448), (32, 683405), (40, 546724), (80, 273362), (103, 212320), (160, 136681), (206, 106160), (412, 53080), (515, 42464), (824, 26540), (1030, 21232), (1327, 16480), (1648, 13270), (2060, 10616), (2654, 8240), (3296, 6635), (4120, 5308)]