21080494062

素因数分解:

$2^1\times 3^2\times {\mathrm{131}}^1\times {\mathrm{8939989}}^1$

素因数の和:8940128

約数の個数: 24

約数和(自身を含む): 46023068520

約数和(自身を除く): 24942574458

約数列:

[1, 2, 3, 6, 9, 18, 131, 262, 393, 786, 1179, 2358, 8939989, 17879978, 26819967, 53639934, 80459901, 160919802, 1171138559, 2342277118, 3513415677, 7026831354, 10540247031, 21080494062]

約数ペア:

[(1, 21080494062), (2, 10540247031), (3, 7026831354), (6, 3513415677), (9, 2342277118), (18, 1171138559), (131, 160919802), (262, 80459901), (393, 53639934), (786, 26819967), (1179, 17879978), (2358, 8939989)]