21034955264

素因数分解:

$2^9\times {\mathrm{31}}^1\times {\mathrm{1325287}}^1$

素因数の和:1325336

約数の個数: 40

約数和(自身を含む): 43384627968

約数和(自身を除く): 22349672704

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 256, 496, 512, 992, 1984, 3968, 7936, 15872, 1325287, 2650574, 5301148, 10602296, 21204592, 41083897, 42409184, 82167794, 84818368, 164335588, 169636736, 328671176, 339273472, 657342352, 678546944, 1314684704, 2629369408, 5258738816, 10517477632, 21034955264]

約数ペア:

[(1, 21034955264), (2, 10517477632), (4, 5258738816), (8, 2629369408), (16, 1314684704), (31, 678546944), (32, 657342352), (62, 339273472), (64, 328671176), (124, 169636736), (128, 164335588), (248, 84818368), (256, 82167794), (496, 42409184), (512, 41083897), (992, 21204592), (1984, 10602296), (3968, 5301148), (7936, 2650574), (15872, 1325287)]