21292854

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^2\times {\mathrm{139}}^1\times {\mathrm{211}}^1$

素因数の和:377

約数の個数: 48

約数和(自身を含む): 47369280

約数和(自身を除く): 26076426

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 121, 139, 211, 242, 278, 363, 417, 422, 633, 726, 834, 1266, 1529, 2321, 3058, 4587, 4642, 6963, 9174, 13926, 16819, 25531, 29329, 33638, 50457, 51062, 58658, 76593, 87987, 100914, 153186, 175974, 322619, 645238, 967857, 1935714, 3548809, 7097618, 10646427, 21292854]

約数ペア:

[(1, 21292854), (2, 10646427), (3, 7097618), (6, 3548809), (11, 1935714), (22, 967857), (33, 645238), (66, 322619), (121, 175974), (139, 153186), (211, 100914), (242, 87987), (278, 76593), (363, 58658), (417, 51062), (422, 50457), (633, 33638), (726, 29329), (834, 25531), (1266, 16819), (1529, 13926), (2321, 9174), (3058, 6963), (4587, 4642)]