21653658

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1$

素因数の和:160

約数の個数: 96

約数和(自身を含む): 54027792

約数和(自身を除く): 32374134

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 37, 39, 41, 61, 74, 78, 82, 111, 117, 122, 123, 183, 222, 234, 246, 333, 366, 369, 481, 533, 549, 666, 738, 793, 962, 1066, 1098, 1443, 1517, 1586, 1599, 2257, 2379, 2501, 2886, 3034, 3198, 4329, 4514, 4551, 4758, 4797, 5002, 6771, 7137, 7503, 8658, 9102, 9594, 13542, 13653, 14274, 15006, 19721, 20313, 22509, 27306, 29341, 32513, 39442, 40626, 45018, 58682, 59163, 65026, 88023, 92537, 97539, 118326, 176046, 177489, 185074, 195078, 264069, 277611, 292617, 354978, 528138, 555222, 585234, 832833, 1202981, 1665666, 2405962, 3608943, 7217886, 10826829, 21653658]

約数ペア:

[(1, 21653658), (2, 10826829), (3, 7217886), (6, 3608943), (9, 2405962), (13, 1665666), (18, 1202981), (26, 832833), (37, 585234), (39, 555222), (41, 528138), (61, 354978), (74, 292617), (78, 277611), (82, 264069), (111, 195078), (117, 185074), (122, 177489), (123, 176046), (183, 118326), (222, 97539), (234, 92537), (246, 88023), (333, 65026), (366, 59163), (369, 58682), (481, 45018), (533, 40626), (549, 39442), (666, 32513), (738, 29341), (793, 27306), (962, 22509), (1066, 20313), (1098, 19721), (1443, 15006), (1517, 14274), (1586, 13653), (1599, 13542), (2257, 9594), (2379, 9102), (2501, 8658), (2886, 7503), (3034, 7137), (3198, 6771), (4329, 5002), (4514, 4797), (4551, 4758)]