21498930

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{238877}}^1$

素因数の和:238890

約数の個数: 24

約数和(自身を含む): 55897452

約数和(自身を除く): 34398522

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 238877, 477754, 716631, 1194385, 1433262, 2149893, 2388770, 3583155, 4299786, 7166310, 10749465, 21498930]

約数ペア:

[(1, 21498930), (2, 10749465), (3, 7166310), (5, 4299786), (6, 3583155), (9, 2388770), (10, 2149893), (15, 1433262), (18, 1194385), (30, 716631), (45, 477754), (90, 238877)]