21503096

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{3677}}^1$

素因数の和:3743

約数の個数: 32

約数和(自身を含む): 43694640

約数和(自身を除く): 22191544

約数列:

[1, 2, 4, 8, 17, 34, 43, 68, 86, 136, 172, 344, 731, 1462, 2924, 3677, 5848, 7354, 14708, 29416, 62509, 125018, 158111, 250036, 316222, 500072, 632444, 1264888, 2687887, 5375774, 10751548, 21503096]

約数ペア:

[(1, 21503096), (2, 10751548), (4, 5375774), (8, 2687887), (17, 1264888), (34, 632444), (43, 500072), (68, 316222), (86, 250036), (136, 158111), (172, 125018), (344, 62509), (731, 29416), (1462, 14708), (2924, 7354), (3677, 5848)]