21098745

素因数分解:

$3^3\times 5^1\times {\mathrm{373}}^1\times {\mathrm{419}}^1$

素因数の和:806

約数の個数: 32

約数和(自身を含む): 37699200

約数和(自身を除く): 16600455

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 373, 419, 1119, 1257, 1865, 2095, 3357, 3771, 5595, 6285, 10071, 11313, 16785, 18855, 50355, 56565, 156287, 468861, 781435, 1406583, 2344305, 4219749, 7032915, 21098745]

約数ペア:

[(1, 21098745), (3, 7032915), (5, 4219749), (9, 2344305), (15, 1406583), (27, 781435), (45, 468861), (135, 156287), (373, 56565), (419, 50355), (1119, 18855), (1257, 16785), (1865, 11313), (2095, 10071), (3357, 6285), (3771, 5595)]