21515808

素因数分解:

$2^5\times 3^1\times {\mathrm{79}}^1\times {\mathrm{2837}}^1$

素因数の和:2929

約数の個数: 48

約数和(自身を含む): 57214080

約数和(自身を除く): 35698272

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 79, 96, 158, 237, 316, 474, 632, 948, 1264, 1896, 2528, 2837, 3792, 5674, 7584, 8511, 11348, 17022, 22696, 34044, 45392, 68088, 90784, 136176, 224123, 272352, 448246, 672369, 896492, 1344738, 1792984, 2689476, 3585968, 5378952, 7171936, 10757904, 21515808]

約数ペア:

[(1, 21515808), (2, 10757904), (3, 7171936), (4, 5378952), (6, 3585968), (8, 2689476), (12, 1792984), (16, 1344738), (24, 896492), (32, 672369), (48, 448246), (79, 272352), (96, 224123), (158, 136176), (237, 90784), (316, 68088), (474, 45392), (632, 34044), (948, 22696), (1264, 17022), (1896, 11348), (2528, 8511), (2837, 7584), (3792, 5674)]