21514000

素因数分解:

$2^4\times 5^3\times {\mathrm{31}}^1\times {\mathrm{347}}^1$

素因数の和:401

約数の個数: 80

約数和(自身を含む): 53853696

約数和(自身を除く): 32339696

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 40, 50, 62, 80, 100, 124, 125, 155, 200, 248, 250, 310, 347, 400, 496, 500, 620, 694, 775, 1000, 1240, 1388, 1550, 1735, 2000, 2480, 2776, 3100, 3470, 3875, 5552, 6200, 6940, 7750, 8675, 10757, 12400, 13880, 15500, 17350, 21514, 27760, 31000, 34700, 43028, 43375, 53785, 62000, 69400, 86056, 86750, 107570, 138800, 172112, 173500, 215140, 268925, 347000, 430280, 537850, 694000, 860560, 1075700, 1344625, 2151400, 2689250, 4302800, 5378500, 10757000, 21514000]

約数ペア:

[(1, 21514000), (2, 10757000), (4, 5378500), (5, 4302800), (8, 2689250), (10, 2151400), (16, 1344625), (20, 1075700), (25, 860560), (31, 694000), (40, 537850), (50, 430280), (62, 347000), (80, 268925), (100, 215140), (124, 173500), (125, 172112), (155, 138800), (200, 107570), (248, 86750), (250, 86056), (310, 69400), (347, 62000), (400, 53785), (496, 43375), (500, 43028), (620, 34700), (694, 31000), (775, 27760), (1000, 21514), (1240, 17350), (1388, 15500), (1550, 13880), (1735, 12400), (2000, 10757), (2480, 8675), (2776, 7750), (3100, 6940), (3470, 6200), (3875, 5552)]