21290436

素因数分解:

$2^2\times 3^2\times {\mathrm{47}}^1\times {\mathrm{12583}}^1$

素因数の和:12640

約数の個数: 36

約数和(自身を含む): 54966912

約数和(自身を除く): 33676476

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 47, 94, 141, 188, 282, 423, 564, 846, 1692, 12583, 25166, 37749, 50332, 75498, 113247, 150996, 226494, 452988, 591401, 1182802, 1774203, 2365604, 3548406, 5322609, 7096812, 10645218, 21290436]

約数ペア:

[(1, 21290436), (2, 10645218), (3, 7096812), (4, 5322609), (6, 3548406), (9, 2365604), (12, 1774203), (18, 1182802), (36, 591401), (47, 452988), (94, 226494), (141, 150996), (188, 113247), (282, 75498), (423, 50332), (564, 37749), (846, 25166), (1692, 12583)]