21920984

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{4973}}^1$

素因数の和:5027

約数の個数: 32

約数和(自身を含む): 44766000

約数和(自身を除く): 22845016

約数列:

[1, 2, 4, 8, 19, 29, 38, 58, 76, 116, 152, 232, 551, 1102, 2204, 4408, 4973, 9946, 19892, 39784, 94487, 144217, 188974, 288434, 377948, 576868, 755896, 1153736, 2740123, 5480246, 10960492, 21920984]

約数ペア:

[(1, 21920984), (2, 10960492), (4, 5480246), (8, 2740123), (19, 1153736), (29, 755896), (38, 576868), (58, 377948), (76, 288434), (116, 188974), (152, 144217), (232, 94487), (551, 39784), (1102, 19892), (2204, 9946), (4408, 4973)]