21063690

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{283}}^1\times {\mathrm{827}}^1$

素因数の和:1123

約数の個数: 48

約数和(自身を含む): 55025568

約数和(自身を除く): 33961878

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 283, 566, 827, 849, 1415, 1654, 1698, 2481, 2547, 2830, 4135, 4245, 4962, 5094, 7443, 8270, 8490, 12405, 12735, 14886, 24810, 25470, 37215, 74430, 234041, 468082, 702123, 1170205, 1404246, 2106369, 2340410, 3510615, 4212738, 7021230, 10531845, 21063690]

約数ペア:

[(1, 21063690), (2, 10531845), (3, 7021230), (5, 4212738), (6, 3510615), (9, 2340410), (10, 2106369), (15, 1404246), (18, 1170205), (30, 702123), (45, 468082), (90, 234041), (283, 74430), (566, 37215), (827, 25470), (849, 24810), (1415, 14886), (1654, 12735), (1698, 12405), (2481, 8490), (2547, 8270), (2830, 7443), (4135, 5094), (4245, 4962)]