21512200

素因数分解:

$2^3\times 5^2\times {\mathrm{29}}^1\times {\mathrm{3709}}^1$

素因数の和:3754

約数の個数: 48

約数和(自身を含む): 51754500

約数和(自身を除く): 30242300

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 29, 40, 50, 58, 100, 116, 145, 200, 232, 290, 580, 725, 1160, 1450, 2900, 3709, 5800, 7418, 14836, 18545, 29672, 37090, 74180, 92725, 107561, 148360, 185450, 215122, 370900, 430244, 537805, 741800, 860488, 1075610, 2151220, 2689025, 4302440, 5378050, 10756100, 21512200]

約数ペア:

[(1, 21512200), (2, 10756100), (4, 5378050), (5, 4302440), (8, 2689025), (10, 2151220), (20, 1075610), (25, 860488), (29, 741800), (40, 537805), (50, 430244), (58, 370900), (100, 215122), (116, 185450), (145, 148360), (200, 107561), (232, 92725), (290, 74180), (580, 37090), (725, 29672), (1160, 18545), (1450, 14836), (2900, 7418), (3709, 5800)]