21392632

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{140741}}^1$

素因数の和:140766

約数の個数: 16

約数和(自身を含む): 42222600

約数和(自身を除く): 20829968

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 140741, 281482, 562964, 1125928, 2674079, 5348158, 10696316, 21392632]

約数ペア:

[(1, 21392632), (2, 10696316), (4, 5348158), (8, 2674079), (19, 1125928), (38, 562964), (76, 281482), (152, 140741)]