21839130

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{151}}^1\times {\mathrm{1607}}^1$

素因数の和:1771

約数の個数: 48

約数和(自身を含む): 57193344

約数和(自身を除く): 35354214

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 151, 302, 453, 755, 906, 1359, 1510, 1607, 2265, 2718, 3214, 4530, 4821, 6795, 8035, 9642, 13590, 14463, 16070, 24105, 28926, 48210, 72315, 144630, 242657, 485314, 727971, 1213285, 1455942, 2183913, 2426570, 3639855, 4367826, 7279710, 10919565, 21839130]

約数ペア:

[(1, 21839130), (2, 10919565), (3, 7279710), (5, 4367826), (6, 3639855), (9, 2426570), (10, 2183913), (15, 1455942), (18, 1213285), (30, 727971), (45, 485314), (90, 242657), (151, 144630), (302, 72315), (453, 48210), (755, 28926), (906, 24105), (1359, 16070), (1510, 14463), (1607, 13590), (2265, 9642), (2718, 8035), (3214, 6795), (4530, 4821)]