21212910

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{235699}}^1$

素因数の和:235712

約数の個数: 24

約数和(自身を含む): 55153800

約数和(自身を除く): 33940890

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 235699, 471398, 707097, 1178495, 1414194, 2121291, 2356990, 3535485, 4242582, 7070970, 10606455, 21212910]

約数ペア:

[(1, 21212910), (2, 10606455), (3, 7070970), (5, 4242582), (6, 3535485), (9, 2356990), (10, 2121291), (15, 1414194), (18, 1178495), (30, 707097), (45, 471398), (90, 235699)]