21495344

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{6079}}^1$

素因数の和:6117

約数の個数: 40

約数和(自身を含む): 47496960

約数和(自身を除く): 26001616

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 34, 52, 68, 104, 136, 208, 221, 272, 442, 884, 1768, 3536, 6079, 12158, 24316, 48632, 79027, 97264, 103343, 158054, 206686, 316108, 413372, 632216, 826744, 1264432, 1343459, 1653488, 2686918, 5373836, 10747672, 21495344]

約数ペア:

[(1, 21495344), (2, 10747672), (4, 5373836), (8, 2686918), (13, 1653488), (16, 1343459), (17, 1264432), (26, 826744), (34, 632216), (52, 413372), (68, 316108), (104, 206686), (136, 158054), (208, 103343), (221, 97264), (272, 79027), (442, 48632), (884, 24316), (1768, 12158), (3536, 6079)]