21875128

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{331}}^1\times {\mathrm{751}}^1$

素因数の和:1099

約数の個数: 32

約数和(自身を含む): 44939520

約数和(自身を除く): 23064392

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 331, 662, 751, 1324, 1502, 2648, 3004, 3641, 6008, 7282, 8261, 14564, 16522, 29128, 33044, 66088, 248581, 497162, 994324, 1988648, 2734391, 5468782, 10937564, 21875128]

約数ペア:

[(1, 21875128), (2, 10937564), (4, 5468782), (8, 2734391), (11, 1988648), (22, 994324), (44, 497162), (88, 248581), (331, 66088), (662, 33044), (751, 29128), (1324, 16522), (1502, 14564), (2648, 8261), (3004, 7282), (3641, 6008)]