21938910

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{104471}}^1$

素因数の和:104488

約数の個数: 32

約数和(自身を含む): 60175872

約数和(自身を除く): 38236962

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 104471, 208942, 313413, 522355, 626826, 731297, 1044710, 1462594, 1567065, 2193891, 3134130, 3656485, 4387782, 7312970, 10969455, 21938910]

約数ペア:

[(1, 21938910), (2, 10969455), (3, 7312970), (5, 4387782), (6, 3656485), (7, 3134130), (10, 2193891), (14, 1567065), (15, 1462594), (21, 1044710), (30, 731297), (35, 626826), (42, 522355), (70, 313413), (105, 208942), (210, 104471)]