21734930

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{44357}}^1$

素因数の和:44378

約数の個数: 24

約数和(自身を含む): 45511308

約数和(自身を除く): 23776378

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 44357, 88714, 221785, 310499, 443570, 620998, 1552495, 2173493, 3104990, 4346986, 10867465, 21734930]

約数ペア:

[(1, 21734930), (2, 10867465), (5, 4346986), (7, 3104990), (10, 2173493), (14, 1552495), (35, 620998), (49, 443570), (70, 310499), (98, 221785), (245, 88714), (490, 44357)]