21501060

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{51193}}^1$

素因数の和:51212

約数の個数: 48

約数和(自身を含む): 68804736

約数和(自身を除く): 47303676

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, 51193, 102386, 153579, 204772, 255965, 307158, 358351, 511930, 614316, 716702, 767895, 1023860, 1075053, 1433404, 1535790, 1791755, 2150106, 3071580, 3583510, 4300212, 5375265, 7167020, 10750530, 21501060]

約数ペア:

[(1, 21501060), (2, 10750530), (3, 7167020), (4, 5375265), (5, 4300212), (6, 3583510), (7, 3071580), (10, 2150106), (12, 1791755), (14, 1535790), (15, 1433404), (20, 1075053), (21, 1023860), (28, 767895), (30, 716702), (35, 614316), (42, 511930), (60, 358351), (70, 307158), (84, 255965), (105, 204772), (140, 153579), (210, 102386), (420, 51193)]