21041211

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{367}}^1\times {\mathrm{659}}^1$

素因数の和:1058

約数の個数: 16

約数和(自身を含む): 29145600

約数和(自身を除く): 8104389

約数列:

[1, 3, 29, 87, 367, 659, 1101, 1977, 10643, 19111, 31929, 57333, 241853, 725559, 7013737, 21041211]

約数ペア:

[(1, 21041211), (3, 7013737), (29, 725559), (87, 241853), (367, 57333), (659, 31929), (1101, 19111), (1977, 10643)]