21174852820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{6481}}^1\times {\mathrm{14851}}^1$

素因数の和:21352

約数の個数: 48

約数和(自身を含む): 48520414656

約数和(自身を除く): 27345561836

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 6481, 12962, 14851, 25924, 29702, 32405, 59404, 64810, 71291, 74255, 129620, 142582, 148510, 163361, 285164, 297020, 326722, 356455, 653444, 712910, 816805, 1425820, 1633610, 3267220, 96249331, 192498662, 384997324, 481246655, 962493310, 1058742641, 1924986620, 2117485282, 4234970564, 5293713205, 10587426410, 21174852820]

約数ペア:

[(1, 21174852820), (2, 10587426410), (4, 5293713205), (5, 4234970564), (10, 2117485282), (11, 1924986620), (20, 1058742641), (22, 962493310), (44, 481246655), (55, 384997324), (110, 192498662), (220, 96249331), (6481, 3267220), (12962, 1633610), (14851, 1425820), (25924, 816805), (29702, 712910), (32405, 653444), (59404, 356455), (64810, 326722), (71291, 297020), (74255, 285164), (129620, 163361), (142582, 148510)]