21601635

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{1471}}^1$

素因数の和:1579

約数の個数: 32

約数和(自身を含む): 38154240

約数和(自身を除く): 16552605

約数列:

[1, 3, 5, 11, 15, 33, 55, 89, 165, 267, 445, 979, 1335, 1471, 2937, 4413, 4895, 7355, 14685, 16181, 22065, 48543, 80905, 130919, 242715, 392757, 654595, 1440109, 1963785, 4320327, 7200545, 21601635]

約数ペア:

[(1, 21601635), (3, 7200545), (5, 4320327), (11, 1963785), (15, 1440109), (33, 654595), (55, 392757), (89, 242715), (165, 130919), (267, 80905), (445, 48543), (979, 22065), (1335, 16181), (1471, 14685), (2937, 7355), (4413, 4895)]