21841118

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{349}}^1$

素因数の和:476

約数の個数: 32

約数和(自身を含む): 37044000

約数和(自身を除く): 15202882

約数列:

[1, 2, 13, 26, 29, 58, 83, 166, 349, 377, 698, 754, 1079, 2158, 2407, 4537, 4814, 9074, 10121, 20242, 28967, 31291, 57934, 62582, 131573, 263146, 376571, 753142, 840043, 1680086, 10920559, 21841118]

約数ペア:

[(1, 21841118), (2, 10920559), (13, 1680086), (26, 840043), (29, 753142), (58, 376571), (83, 263146), (166, 131573), (349, 62582), (377, 57934), (698, 31291), (754, 28967), (1079, 20242), (2158, 10121), (2407, 9074), (4537, 4814)]