21191640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{176597}}^1$

素因数の和:176611

約数の個数: 32

約数和(自身を含む): 63575280

約数和(自身を除く): 42383640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 176597, 353194, 529791, 706388, 882985, 1059582, 1412776, 1765970, 2119164, 2648955, 3531940, 4238328, 5297910, 7063880, 10595820, 21191640]

約数ペア:

[(1, 21191640), (2, 10595820), (3, 7063880), (4, 5297910), (5, 4238328), (6, 3531940), (8, 2648955), (10, 2119164), (12, 1765970), (15, 1412776), (20, 1059582), (24, 882985), (30, 706388), (40, 529791), (60, 353194), (120, 176597)]