21631730

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{163}}^1\times {\mathrm{577}}^1$

素因数の和:770

約数の個数: 32

約数和(自身を含む): 40950144

約数和(自身を除く): 19318414

約数列:

[1, 2, 5, 10, 23, 46, 115, 163, 230, 326, 577, 815, 1154, 1630, 2885, 3749, 5770, 7498, 13271, 18745, 26542, 37490, 66355, 94051, 132710, 188102, 470255, 940510, 2163173, 4326346, 10815865, 21631730]

約数ペア:

[(1, 21631730), (2, 10815865), (5, 4326346), (10, 2163173), (23, 940510), (46, 470255), (115, 188102), (163, 132710), (230, 94051), (326, 66355), (577, 37490), (815, 26542), (1154, 18745), (1630, 13271), (2885, 7498), (3749, 5770)]