21037100

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{733}}^1$

素因数の和:795

約数の個数: 72

約数和(自身を含む): 53517408

約数和(自身を除く): 32480308

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 41, 50, 70, 82, 100, 140, 164, 175, 205, 287, 350, 410, 574, 700, 733, 820, 1025, 1148, 1435, 1466, 2050, 2870, 2932, 3665, 4100, 5131, 5740, 7175, 7330, 10262, 14350, 14660, 18325, 20524, 25655, 28700, 30053, 36650, 51310, 60106, 73300, 102620, 120212, 128275, 150265, 210371, 256550, 300530, 420742, 513100, 601060, 751325, 841484, 1051855, 1502650, 2103710, 3005300, 4207420, 5259275, 10518550, 21037100]

約数ペア:

[(1, 21037100), (2, 10518550), (4, 5259275), (5, 4207420), (7, 3005300), (10, 2103710), (14, 1502650), (20, 1051855), (25, 841484), (28, 751325), (35, 601060), (41, 513100), (50, 420742), (70, 300530), (82, 256550), (100, 210371), (140, 150265), (164, 128275), (175, 120212), (205, 102620), (287, 73300), (350, 60106), (410, 51310), (574, 36650), (700, 30053), (733, 28700), (820, 25655), (1025, 20524), (1148, 18325), (1435, 14660), (1466, 14350), (2050, 10262), (2870, 7330), (2932, 7175), (3665, 5740), (4100, 5131)]