21847380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{21419}}^1$

素因数の和:21448

約数の個数: 48

約数和(自身を含む): 64774080

約数和(自身を除く): 42926700

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 340, 510, 1020, 21419, 42838, 64257, 85676, 107095, 128514, 214190, 257028, 321285, 364123, 428380, 642570, 728246, 1092369, 1285140, 1456492, 1820615, 2184738, 3641230, 4369476, 5461845, 7282460, 10923690, 21847380]

約数ペア:

[(1, 21847380), (2, 10923690), (3, 7282460), (4, 5461845), (5, 4369476), (6, 3641230), (10, 2184738), (12, 1820615), (15, 1456492), (17, 1285140), (20, 1092369), (30, 728246), (34, 642570), (51, 428380), (60, 364123), (68, 321285), (85, 257028), (102, 214190), (170, 128514), (204, 107095), (255, 85676), (340, 64257), (510, 42838), (1020, 21419)]