21036621170

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{617}}^1\times {\mathrm{1321}}^1$

素因数の和:2063

約数の個数: 64

約数和(自身を含む): 39706005600

約数和(自身を除く): 18669384430

約数列:

[1, 2, 5, 10, 29, 58, 89, 145, 178, 290, 445, 617, 890, 1234, 1321, 2581, 2642, 3085, 5162, 6170, 6605, 12905, 13210, 17893, 25810, 35786, 38309, 54913, 76618, 89465, 109826, 117569, 178930, 191545, 235138, 274565, 383090, 549130, 587845, 815057, 1175690, 1592477, 1630114, 3184954, 3409501, 4075285, 6819002, 7962385, 8150570, 15924770, 17047505, 23636653, 34095010, 47273306, 72540073, 118183265, 145080146, 236366530, 362700365, 725400730, 2103662117, 4207324234, 10518310585, 21036621170]

約数ペア:

[(1, 21036621170), (2, 10518310585), (5, 4207324234), (10, 2103662117), (29, 725400730), (58, 362700365), (89, 236366530), (145, 145080146), (178, 118183265), (290, 72540073), (445, 47273306), (617, 34095010), (890, 23636653), (1234, 17047505), (1321, 15924770), (2581, 8150570), (2642, 7962385), (3085, 6819002), (5162, 4075285), (6170, 3409501), (6605, 3184954), (12905, 1630114), (13210, 1592477), (17893, 1175690), (25810, 815057), (35786, 587845), (38309, 549130), (54913, 383090), (76618, 274565), (89465, 235138), (109826, 191545), (117569, 178930)]