21943009

素因数分解:

${\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{229}}^1\times {\mathrm{281}}^1$

素因数の和:552

約数の個数: 16

約数和(自身を含む): 24906240

約数和(自身を除く): 2963231

約数列:

[1, 11, 31, 229, 281, 341, 2519, 3091, 7099, 8711, 64349, 78089, 95821, 707839, 1994819, 21943009]

約数ペア:

[(1, 21943009), (11, 1994819), (31, 707839), (229, 95821), (281, 78089), (341, 64349), (2519, 8711), (3091, 7099)]