21669060

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{51593}}^1$

素因数の和:51612

約数の個数: 48

約数和(自身を含む): 69342336

約数和(自身を除く): 47673276

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 51593, 103186, 154779, 206372, 257965, 309558, 361151, 515930, 619116, 722302, 773895, 1031860, 1083453, 1444604, 1547790, 1805755, 2166906, 3095580, 3611510, 4333812, 5417265, 7223020, 10834530, 21669060]

約数ペア:

[(1, 21669060), (2, 10834530), (3, 7223020), (4, 5417265), (5, 4333812), (6, 3611510), (7, 3095580), (10, 2166906), (12, 1805755), (14, 1547790), (15, 1444604), (20, 1083453), (21, 1031860), (28, 773895), (30, 722302), (35, 619116), (42, 515930), (60, 361151), (70, 309558), (84, 257965), (105, 206372), (140, 154779), (210, 103186), (420, 51593)]