21305490

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{59}}^1\times {\mathrm{12037}}^1$

素因数の和:12106

約数の個数: 32

約数和(自身を含む): 52004160

約数和(自身を除く): 30698670

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 59, 118, 177, 295, 354, 590, 885, 1770, 12037, 24074, 36111, 60185, 72222, 120370, 180555, 361110, 710183, 1420366, 2130549, 3550915, 4261098, 7101830, 10652745, 21305490]

約数ペア:

[(1, 21305490), (2, 10652745), (3, 7101830), (5, 4261098), (6, 3550915), (10, 2130549), (15, 1420366), (30, 710183), (59, 361110), (118, 180555), (177, 120370), (295, 72222), (354, 60185), (590, 36111), (885, 24074), (1770, 12037)]