21574812

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{2543}}^1$

素因数の和:2658

約数の個数: 48

約数和(自身を含む): 58125312

約数和(自身を除く): 36550500

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 101, 202, 303, 404, 606, 707, 1212, 1414, 2121, 2543, 2828, 4242, 5086, 7629, 8484, 10172, 15258, 17801, 30516, 35602, 53403, 71204, 106806, 213612, 256843, 513686, 770529, 1027372, 1541058, 1797901, 3082116, 3595802, 5393703, 7191604, 10787406, 21574812]

約数ペア:

[(1, 21574812), (2, 10787406), (3, 7191604), (4, 5393703), (6, 3595802), (7, 3082116), (12, 1797901), (14, 1541058), (21, 1027372), (28, 770529), (42, 513686), (84, 256843), (101, 213612), (202, 106806), (303, 71204), (404, 53403), (606, 35602), (707, 30516), (1212, 17801), (1414, 15258), (2121, 10172), (2543, 8484), (2828, 7629), (4242, 5086)]