21731728

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{36709}}^1$

素因数の和:36754

約数の個数: 20

約数和(自身を含む): 43244380

約数和(自身を除く): 21512652

約数列:

[1, 2, 4, 8, 16, 37, 74, 148, 296, 592, 36709, 73418, 146836, 293672, 587344, 1358233, 2716466, 5432932, 10865864, 21731728]

約数ペア:

[(1, 21731728), (2, 10865864), (4, 5432932), (8, 2716466), (16, 1358233), (37, 587344), (74, 293672), (148, 146836), (296, 73418), (592, 36709)]