21442415

素因数分解:

$5^1\times {\mathrm{61}}^1\times {\mathrm{229}}^1\times {\mathrm{307}}^1$

素因数の和:602

約数の個数: 16

約数和(自身を含む): 26352480

約数和(自身を除く): 4910065

約数列:

[1, 5, 61, 229, 305, 307, 1145, 1535, 13969, 18727, 69845, 70303, 93635, 351515, 4288483, 21442415]

約数ペア:

[(1, 21442415), (5, 4288483), (61, 351515), (229, 93635), (305, 70303), (307, 69845), (1145, 18727), (1535, 13969)]