21575834

素因数分解:

$2^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{7823}}^1$

素因数の和:8029

約数の個数: 16

約数和(自身を含む): 37179648

約数和(自身を除く): 15603814

約数列:

[1, 2, 7, 14, 197, 394, 1379, 2758, 7823, 15646, 54761, 109522, 1541131, 3082262, 10787917, 21575834]

約数ペア:

[(1, 21575834), (2, 10787917), (7, 3082262), (14, 1541131), (197, 109522), (394, 54761), (1379, 15646), (2758, 7823)]