21974750

素因数分解:

$2^1\times 5^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{433}}^1$

素因数の和:486

約数の個数: 64

約数和(自身を含む): 48746880

約数和(自身を除く): 26772130

約数列:

[1, 2, 5, 7, 10, 14, 25, 29, 35, 50, 58, 70, 125, 145, 175, 203, 250, 290, 350, 406, 433, 725, 866, 875, 1015, 1450, 1750, 2030, 2165, 3031, 3625, 4330, 5075, 6062, 7250, 10150, 10825, 12557, 15155, 21650, 25114, 25375, 30310, 50750, 54125, 62785, 75775, 87899, 108250, 125570, 151550, 175798, 313925, 378875, 439495, 627850, 757750, 878990, 1569625, 2197475, 3139250, 4394950, 10987375, 21974750]

約数ペア:

[(1, 21974750), (2, 10987375), (5, 4394950), (7, 3139250), (10, 2197475), (14, 1569625), (25, 878990), (29, 757750), (35, 627850), (50, 439495), (58, 378875), (70, 313925), (125, 175798), (145, 151550), (175, 125570), (203, 108250), (250, 87899), (290, 75775), (350, 62785), (406, 54125), (433, 50750), (725, 30310), (866, 25375), (875, 25114), (1015, 21650), (1450, 15155), (1750, 12557), (2030, 10825), (2165, 10150), (3031, 7250), (3625, 6062), (4330, 5075)]