21000391638

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{152176751}}^1$

素因数の和:152176779

約数の個数: 16

約数和(自身を含む): 43826904576

約数和(自身を除く): 22826512938

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 152176751, 304353502, 456530253, 913060506, 3500065273, 7000130546, 10500195819, 21000391638]

約数ペア:

[(1, 21000391638), (2, 10500195819), (3, 7000130546), (6, 3500065273), (23, 913060506), (46, 456530253), (69, 304353502), (138, 152176751)]