21335460

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{355591}}^1$

素因数の和:355603

約数の個数: 24

約数和(自身を含む): 59739456

約数和(自身を除く): 38403996

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 355591, 711182, 1066773, 1422364, 1777955, 2133546, 3555910, 4267092, 5333865, 7111820, 10667730, 21335460]

約数ペア:

[(1, 21335460), (2, 10667730), (3, 7111820), (4, 5333865), (5, 4267092), (6, 3555910), (10, 2133546), (12, 1777955), (15, 1422364), (20, 1066773), (30, 711182), (60, 355591)]