21006156946

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{2158019}}^1$

素因数の和:2158209

約数の個数: 16

約数和(自身を含む): 32732847360

約数和(自身を除く): 11726690414

約数列:

[1, 2, 31, 62, 157, 314, 4867, 9734, 2158019, 4316038, 66898589, 133797178, 338808983, 677617966, 10503078473, 21006156946]

約数ペア:

[(1, 21006156946), (2, 10503078473), (31, 677617966), (62, 338808983), (157, 133797178), (314, 66898589), (4867, 4316038), (9734, 2158019)]