21459502

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{3889}}^1$

素因数の和:4011

約数の個数: 16

約数和(自身を含む): 33609600

約数和(自身を除く): 12150098

約数列:

[1, 2, 31, 62, 89, 178, 2759, 3889, 5518, 7778, 120559, 241118, 346121, 692242, 10729751, 21459502]

約数ペア:

[(1, 21459502), (2, 10729751), (31, 692242), (62, 346121), (89, 241118), (178, 120559), (2759, 7778), (3889, 5518)]