21031607264

素因数分解:

$2^5\times {\mathrm{31}}^1\times {\mathrm{251}}^1\times {\mathrm{84467}}^1$

素因数の和:84759

約数の個数: 48

約数和(自身を含む): 42912446976

約数和(自身を除く): 21880839712

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 124, 248, 251, 496, 502, 992, 1004, 2008, 4016, 7781, 8032, 15562, 31124, 62248, 84467, 124496, 168934, 248992, 337868, 675736, 1351472, 2618477, 2702944, 5236954, 10473908, 20947816, 21201217, 41895632, 42402434, 83791264, 84804868, 169609736, 339219472, 657237727, 678438944, 1314475454, 2628950908, 5257901816, 10515803632, 21031607264]

約数ペア:

[(1, 21031607264), (2, 10515803632), (4, 5257901816), (8, 2628950908), (16, 1314475454), (31, 678438944), (32, 657237727), (62, 339219472), (124, 169609736), (248, 84804868), (251, 83791264), (496, 42402434), (502, 41895632), (992, 21201217), (1004, 20947816), (2008, 10473908), (4016, 5236954), (7781, 2702944), (8032, 2618477), (15562, 1351472), (31124, 675736), (62248, 337868), (84467, 248992), (124496, 168934)]