21976036

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{2467}}^1$

素因数の和:2619

約数の個数: 24

約数和(自身を含む): 41047776

約数和(自身を除く): 19071740

約数列:

[1, 2, 4, 17, 34, 68, 131, 262, 524, 2227, 2467, 4454, 4934, 8908, 9868, 41939, 83878, 167756, 323177, 646354, 1292708, 5494009, 10988018, 21976036]

約数ペア:

[(1, 21976036), (2, 10988018), (4, 5494009), (17, 1292708), (34, 646354), (68, 323177), (131, 167756), (262, 83878), (524, 41939), (2227, 9868), (2467, 8908), (4454, 4934)]