21413623

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{97}}^1$

素因数の和:223

約数の個数: 32

約数和(自身を含む): 27998208

約数和(自身を除く): 6584585

約数列:

[1, 7, 11, 47, 61, 77, 97, 329, 427, 517, 671, 679, 1067, 2867, 3619, 4559, 4697, 5917, 7469, 20069, 31537, 31913, 41419, 50149, 65087, 220759, 278099, 351043, 455609, 1946693, 3059089, 21413623]

約数ペア:

[(1, 21413623), (7, 3059089), (11, 1946693), (47, 455609), (61, 351043), (77, 278099), (97, 220759), (329, 65087), (427, 50149), (517, 41419), (671, 31913), (679, 31537), (1067, 20069), (2867, 7469), (3619, 5917), (4559, 4697)]