21394884

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{487}}^1\times {\mathrm{523}}^1$

素因数の和:1024

約数の個数: 48

約数和(自身を含む): 57279488

約数和(自身を除く): 35884604

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 487, 523, 974, 1046, 1461, 1569, 1948, 2092, 2922, 3138, 3409, 3661, 5844, 6276, 6818, 7322, 10227, 10983, 13636, 14644, 20454, 21966, 40908, 43932, 254701, 509402, 764103, 1018804, 1528206, 1782907, 3056412, 3565814, 5348721, 7131628, 10697442, 21394884]

約数ペア:

[(1, 21394884), (2, 10697442), (3, 7131628), (4, 5348721), (6, 3565814), (7, 3056412), (12, 1782907), (14, 1528206), (21, 1018804), (28, 764103), (42, 509402), (84, 254701), (487, 43932), (523, 40908), (974, 21966), (1046, 20454), (1461, 14644), (1569, 13636), (1948, 10983), (2092, 10227), (2922, 7322), (3138, 6818), (3409, 6276), (3661, 5844)]