24521987

素因数分解:

$7^1\times {\mathrm{53}}^1\times {\mathrm{157}}^1\times {\mathrm{421}}^1$

素因数の和:638

約数の個数: 16

約数和(自身を含む): 28804032

約数和(自身を除く): 4282045

約数列:

[1, 7, 53, 157, 371, 421, 1099, 2947, 8321, 22313, 58247, 66097, 156191, 462679, 3503141, 24521987]

約数ペア:

[(1, 24521987), (7, 3503141), (53, 462679), (157, 156191), (371, 66097), (421, 58247), (1099, 22313), (2947, 8321)]