21077386677

素因数分解:

$3^3\times {\mathrm{79}}^1\times {\mathrm{9881569}}^1$

素因数の和:9881657

約数の個数: 16

約数和(自身を含む): 31621024000

約数和(自身を除く): 10543637323

約数列:

[1, 3, 9, 27, 79, 237, 711, 2133, 9881569, 29644707, 88934121, 266802363, 780643951, 2341931853, 7025795559, 21077386677]

約数ペア:

[(1, 21077386677), (3, 7025795559), (9, 2341931853), (27, 780643951), (79, 266802363), (237, 88934121), (711, 29644707), (2133, 9881569)]