21533590

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{2333}}^1$

素因数の和:2424

約数の個数: 32

約数和(自身を含む): 42348096

約数和(自身を除く): 20814506

約数列:

[1, 2, 5, 10, 13, 26, 65, 71, 130, 142, 355, 710, 923, 1846, 2333, 4615, 4666, 9230, 11665, 23330, 30329, 60658, 151645, 165643, 303290, 331286, 828215, 1656430, 2153359, 4306718, 10766795, 21533590]

約数ペア:

[(1, 21533590), (2, 10766795), (5, 4306718), (10, 2153359), (13, 1656430), (26, 828215), (65, 331286), (71, 303290), (130, 165643), (142, 151645), (355, 60658), (710, 30329), (923, 23330), (1846, 11665), (2333, 9230), (4615, 4666)]