21408554

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{19427}}^1$

素因数の和:19477

約数の個数: 16

約数和(自身を含む): 34970400

約数和(自身を除く): 13561846

約数列:

[1, 2, 19, 29, 38, 58, 551, 1102, 19427, 38854, 369113, 563383, 738226, 1126766, 10704277, 21408554]

約数ペア:

[(1, 21408554), (2, 10704277), (19, 1126766), (29, 738226), (38, 563383), (58, 369113), (551, 38854), (1102, 19427)]