21964960

素因数分解:

$2^5\times 5^1\times {\mathrm{107}}^1\times {\mathrm{1283}}^1$

素因数の和:1405

約数の個数: 48

約数和(自身を含む): 52418016

約数和(自身を除く): 30453056

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 107, 160, 214, 428, 535, 856, 1070, 1283, 1712, 2140, 2566, 3424, 4280, 5132, 6415, 8560, 10264, 12830, 17120, 20528, 25660, 41056, 51320, 102640, 137281, 205280, 274562, 549124, 686405, 1098248, 1372810, 2196496, 2745620, 4392992, 5491240, 10982480, 21964960]

約数ペア:

[(1, 21964960), (2, 10982480), (4, 5491240), (5, 4392992), (8, 2745620), (10, 2196496), (16, 1372810), (20, 1098248), (32, 686405), (40, 549124), (80, 274562), (107, 205280), (160, 137281), (214, 102640), (428, 51320), (535, 41056), (856, 25660), (1070, 20528), (1283, 17120), (1712, 12830), (2140, 10264), (2566, 8560), (3424, 6415), (4280, 5132)]