21419816

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{401}}^1\times {\mathrm{607}}^1$

素因数の和:1025

約数の個数: 32

約数和(自身を含む): 43994880

約数和(自身を除く): 22575064

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 401, 607, 802, 1214, 1604, 2428, 3208, 4411, 4856, 6677, 8822, 13354, 17644, 26708, 35288, 53416, 243407, 486814, 973628, 1947256, 2677477, 5354954, 10709908, 21419816]

約数ペア:

[(1, 21419816), (2, 10709908), (4, 5354954), (8, 2677477), (11, 1947256), (22, 973628), (44, 486814), (88, 243407), (401, 53416), (607, 35288), (802, 26708), (1214, 17644), (1604, 13354), (2428, 8822), (3208, 6677), (4411, 4856)]