21398070

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41957}}^1$

素因数の和:41984

約数の個数: 32

約数和(自身を含む): 54377568

約数和(自身を除く): 32979498

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 51, 85, 102, 170, 255, 510, 41957, 83914, 125871, 209785, 251742, 419570, 629355, 713269, 1258710, 1426538, 2139807, 3566345, 4279614, 7132690, 10699035, 21398070]

約数ペア:

[(1, 21398070), (2, 10699035), (3, 7132690), (5, 4279614), (6, 3566345), (10, 2139807), (15, 1426538), (17, 1258710), (30, 713269), (34, 629355), (51, 419570), (85, 251742), (102, 209785), (170, 125871), (255, 83914), (510, 41957)]