21204498

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{313}}^1\times {\mathrm{1613}}^1$

素因数の和:1938

約数の個数: 32

約数和(自身を含む): 48652416

約数和(自身を除く): 27447918

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 313, 626, 939, 1613, 1878, 2191, 3226, 4382, 4839, 6573, 9678, 11291, 13146, 22582, 33873, 67746, 504869, 1009738, 1514607, 3029214, 3534083, 7068166, 10602249, 21204498]

約数ペア:

[(1, 21204498), (2, 10602249), (3, 7068166), (6, 3534083), (7, 3029214), (14, 1514607), (21, 1009738), (42, 504869), (313, 67746), (626, 33873), (939, 22582), (1613, 13146), (1878, 11291), (2191, 9678), (3226, 6573), (4382, 4839)]