21531488

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{61169}}^1$

素因数の和:61190

約数の個数: 24

約数和(自身を含む): 46244520

約数和(自身を除く): 24713032

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 88, 176, 352, 61169, 122338, 244676, 489352, 672859, 978704, 1345718, 1957408, 2691436, 5382872, 10765744, 21531488]

約数ペア:

[(1, 21531488), (2, 10765744), (4, 5382872), (8, 2691436), (11, 1957408), (16, 1345718), (22, 978704), (32, 672859), (44, 489352), (88, 244676), (176, 122338), (352, 61169)]