21952904

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{144427}}^1$

素因数の和:144452

約数の個数: 16

約数和(自身を含む): 43328400

約数和(自身を除く): 21375496

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 144427, 288854, 577708, 1155416, 2744113, 5488226, 10976452, 21952904]

約数ペア:

[(1, 21952904), (2, 10976452), (4, 5488226), (8, 2744113), (19, 1155416), (38, 577708), (76, 288854), (152, 144427)]