21320190

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{236891}}^1$

素因数の和:236904

約数の個数: 24

約数和(自身を含む): 55432728

約数和(自身を除く): 34112538

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 236891, 473782, 710673, 1184455, 1421346, 2132019, 2368910, 3553365, 4264038, 7106730, 10660095, 21320190]

約数ペア:

[(1, 21320190), (2, 10660095), (3, 7106730), (5, 4264038), (6, 3553365), (9, 2368910), (10, 2132019), (15, 1421346), (18, 1184455), (30, 710673), (45, 473782), (90, 236891)]