21325428

素因数分解:

$2^2\times 3^2\times {\mathrm{151}}^1\times {\mathrm{3923}}^1$

素因数の和:4084

約数の個数: 36

約数和(自身を含む): 54276768

約数和(自身を除く): 32951340

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 151, 302, 453, 604, 906, 1359, 1812, 2718, 3923, 5436, 7846, 11769, 15692, 23538, 35307, 47076, 70614, 141228, 592373, 1184746, 1777119, 2369492, 3554238, 5331357, 7108476, 10662714, 21325428]

約数ペア:

[(1, 21325428), (2, 10662714), (3, 7108476), (4, 5331357), (6, 3554238), (9, 2369492), (12, 1777119), (18, 1184746), (36, 592373), (151, 141228), (302, 70614), (453, 47076), (604, 35307), (906, 23538), (1359, 15692), (1812, 11769), (2718, 7846), (3923, 5436)]