21872794

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{587}}^1\times {\mathrm{601}}^1$

素因数の和:1221

約数の個数: 16

約数和(自身を含む): 33981696

約数和(自身を除く): 12108902

約数列:

[1, 2, 31, 62, 587, 601, 1174, 1202, 18197, 18631, 36394, 37262, 352787, 705574, 10936397, 21872794]

約数ペア:

[(1, 21872794), (2, 10936397), (31, 705574), (62, 352787), (587, 37262), (601, 36394), (1174, 18631), (1202, 18197)]