21008358

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{23819}}^1$

素因数の和:23841

約数の個数: 36

約数和(自身を含む): 52951860

約数和(自身を除く): 31943502

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 49, 63, 98, 126, 147, 294, 441, 882, 23819, 47638, 71457, 142914, 166733, 214371, 333466, 428742, 500199, 1000398, 1167131, 1500597, 2334262, 3001194, 3501393, 7002786, 10504179, 21008358]

約数ペア:

[(1, 21008358), (2, 10504179), (3, 7002786), (6, 3501393), (7, 3001194), (9, 2334262), (14, 1500597), (18, 1167131), (21, 1000398), (42, 500199), (49, 428742), (63, 333466), (98, 214371), (126, 166733), (147, 142914), (294, 71457), (441, 47638), (882, 23819)]