21130048

素因数分解:

$2^6\times {\mathrm{17}}^1\times {\mathrm{19421}}^1$

素因数の和:19450

約数の個数: 28

約数和(自身を含む): 44398692

約数和(自身を除く): 23268644

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 136, 272, 544, 1088, 19421, 38842, 77684, 155368, 310736, 330157, 621472, 660314, 1242944, 1320628, 2641256, 5282512, 10565024, 21130048]

約数ペア:

[(1, 21130048), (2, 10565024), (4, 5282512), (8, 2641256), (16, 1320628), (17, 1242944), (32, 660314), (34, 621472), (64, 330157), (68, 310736), (136, 155368), (272, 77684), (544, 38842), (1088, 19421)]