21124336

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{2099}}^1$

素因数の和:2161

約数の個数: 40

約数和(自身を含む): 44528400

約数和(自身を除く): 23404064

約数列:

[1, 2, 4, 8, 16, 17, 34, 37, 68, 74, 136, 148, 272, 296, 592, 629, 1258, 2099, 2516, 4198, 5032, 8396, 10064, 16792, 33584, 35683, 71366, 77663, 142732, 155326, 285464, 310652, 570928, 621304, 1242608, 1320271, 2640542, 5281084, 10562168, 21124336]

約数ペア:

[(1, 21124336), (2, 10562168), (4, 5281084), (8, 2640542), (16, 1320271), (17, 1242608), (34, 621304), (37, 570928), (68, 310652), (74, 285464), (136, 155326), (148, 142732), (272, 77663), (296, 71366), (592, 35683), (629, 33584), (1258, 16792), (2099, 10064), (2516, 8396), (4198, 5032)]