21874036

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{271}}^1\times {\mathrm{1187}}^1$

素因数の和:1479

約数の個数: 24

約数和(自身を含む): 40715136

約数和(自身を除く): 18841100

約数列:

[1, 2, 4, 17, 34, 68, 271, 542, 1084, 1187, 2374, 4607, 4748, 9214, 18428, 20179, 40358, 80716, 321677, 643354, 1286708, 5468509, 10937018, 21874036]

約数ペア:

[(1, 21874036), (2, 10937018), (4, 5468509), (17, 1286708), (34, 643354), (68, 321677), (271, 80716), (542, 40358), (1084, 20179), (1187, 18428), (2374, 9214), (4607, 4748)]