21741735

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{151}}^1\times {\mathrm{331}}^1$

素因数の和:519

約数の個数: 32

約数和(自身を含む): 36334080

約数和(自身を除く): 14592345

約数列:

[1, 3, 5, 15, 29, 87, 145, 151, 331, 435, 453, 755, 993, 1655, 2265, 4379, 4965, 9599, 13137, 21895, 28797, 47995, 49981, 65685, 143985, 149943, 249905, 749715, 1449449, 4348347, 7247245, 21741735]

約数ペア:

[(1, 21741735), (3, 7247245), (5, 4348347), (15, 1449449), (29, 749715), (87, 249905), (145, 149943), (151, 143985), (331, 65685), (435, 49981), (453, 47995), (755, 28797), (993, 21895), (1655, 13137), (2265, 9599), (4379, 4965)]