21215202477

素因数分解:

$3^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{17122843}}^1$

素因数の和:17122912

約数の個数: 16

約数和(自身を含む): 32875860480

約数和(自身を除く): 11660658003

約数列:

[1, 3, 7, 21, 59, 177, 413, 1239, 17122843, 51368529, 119859901, 359579703, 1010247737, 3030743211, 7071734159, 21215202477]

約数ペア:

[(1, 21215202477), (3, 7071734159), (7, 3030743211), (21, 1010247737), (59, 359579703), (177, 119859901), (413, 51368529), (1239, 17122843)]