21230235

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{12097}}^1$

素因数の和:12124

約数の個数: 32

約数和(自身を含む): 40649280

約数和(自身を除く): 19419045

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 117, 135, 195, 351, 585, 1755, 12097, 36291, 60485, 108873, 157261, 181455, 326619, 471783, 544365, 786305, 1415349, 1633095, 2358915, 4246047, 7076745, 21230235]

約数ペア:

[(1, 21230235), (3, 7076745), (5, 4246047), (9, 2358915), (13, 1633095), (15, 1415349), (27, 786305), (39, 544365), (45, 471783), (65, 326619), (117, 181455), (135, 157261), (195, 108873), (351, 60485), (585, 36291), (1755, 12097)]