21171586

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{191}}^1\times {\mathrm{2917}}^1$

素因数の和:3129

約数の個数: 16

約数和(自身を含む): 33615360

約数和(自身を除く): 12443774

約数列:

[1, 2, 19, 38, 191, 382, 2917, 3629, 5834, 7258, 55423, 110846, 557147, 1114294, 10585793, 21171586]

約数ペア:

[(1, 21171586), (2, 10585793), (19, 1114294), (38, 557147), (191, 110846), (382, 55423), (2917, 7258), (3629, 5834)]