21796908

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{5521}}^1$

素因数の和:5582

約数の個数: 48

約数和(自身を含む): 59372544

約数和(自身を除く): 37575636

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 47, 84, 94, 141, 188, 282, 329, 564, 658, 987, 1316, 1974, 3948, 5521, 11042, 16563, 22084, 33126, 38647, 66252, 77294, 115941, 154588, 231882, 259487, 463764, 518974, 778461, 1037948, 1556922, 1816409, 3113844, 3632818, 5449227, 7265636, 10898454, 21796908]

約数ペア:

[(1, 21796908), (2, 10898454), (3, 7265636), (4, 5449227), (6, 3632818), (7, 3113844), (12, 1816409), (14, 1556922), (21, 1037948), (28, 778461), (42, 518974), (47, 463764), (84, 259487), (94, 231882), (141, 154588), (188, 115941), (282, 77294), (329, 66252), (564, 38647), (658, 33126), (987, 22084), (1316, 16563), (1974, 11042), (3948, 5521)]