21647430

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{34361}}^1$

素因数の和:34381

約数の個数: 48

約数和(自身を含む): 64325664

約数和(自身を除く): 42678234

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 630, 34361, 68722, 103083, 171805, 206166, 240527, 309249, 343610, 481054, 515415, 618498, 721581, 1030830, 1202635, 1443162, 1546245, 2164743, 2405270, 3092490, 3607905, 4329486, 7215810, 10823715, 21647430]

約数ペア:

[(1, 21647430), (2, 10823715), (3, 7215810), (5, 4329486), (6, 3607905), (7, 3092490), (9, 2405270), (10, 2164743), (14, 1546245), (15, 1443162), (18, 1202635), (21, 1030830), (30, 721581), (35, 618498), (42, 515415), (45, 481054), (63, 343610), (70, 309249), (90, 240527), (105, 206166), (126, 171805), (210, 103083), (315, 68722), (630, 34361)]