21058032

素因数分解:

$2^4\times 3^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{167}}^1$

素因数の和:286

約数の個数: 80

約数和(自身を含む): 56996352

約数和(自身を除く): 35938320

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 37, 48, 71, 74, 111, 142, 148, 167, 213, 222, 284, 296, 334, 426, 444, 501, 568, 592, 668, 852, 888, 1002, 1136, 1336, 1704, 1776, 2004, 2627, 2672, 3408, 4008, 5254, 6179, 7881, 8016, 10508, 11857, 12358, 15762, 18537, 21016, 23714, 24716, 31524, 35571, 37074, 42032, 47428, 49432, 63048, 71142, 74148, 94856, 98864, 126096, 142284, 148296, 189712, 284568, 296592, 438709, 569136, 877418, 1316127, 1754836, 2632254, 3509672, 5264508, 7019344, 10529016, 21058032]

約数ペア:

[(1, 21058032), (2, 10529016), (3, 7019344), (4, 5264508), (6, 3509672), (8, 2632254), (12, 1754836), (16, 1316127), (24, 877418), (37, 569136), (48, 438709), (71, 296592), (74, 284568), (111, 189712), (142, 148296), (148, 142284), (167, 126096), (213, 98864), (222, 94856), (284, 74148), (296, 71142), (334, 63048), (426, 49432), (444, 47428), (501, 42032), (568, 37074), (592, 35571), (668, 31524), (852, 24716), (888, 23714), (1002, 21016), (1136, 18537), (1336, 15762), (1704, 12358), (1776, 11857), (2004, 10508), (2627, 8016), (2672, 7881), (3408, 6179), (4008, 5254)]