21359208

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{4027}}^1$

素因数の和:4066

約数の個数: 64

約数和(自身を含む): 60903360

約数和(自身を除く): 39544152

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 17, 24, 26, 34, 39, 51, 52, 68, 78, 102, 104, 136, 156, 204, 221, 312, 408, 442, 663, 884, 1326, 1768, 2652, 4027, 5304, 8054, 12081, 16108, 24162, 32216, 48324, 52351, 68459, 96648, 104702, 136918, 157053, 205377, 209404, 273836, 314106, 410754, 418808, 547672, 628212, 821508, 889967, 1256424, 1643016, 1779934, 2669901, 3559868, 5339802, 7119736, 10679604, 21359208]

約数ペア:

[(1, 21359208), (2, 10679604), (3, 7119736), (4, 5339802), (6, 3559868), (8, 2669901), (12, 1779934), (13, 1643016), (17, 1256424), (24, 889967), (26, 821508), (34, 628212), (39, 547672), (51, 418808), (52, 410754), (68, 314106), (78, 273836), (102, 209404), (104, 205377), (136, 157053), (156, 136918), (204, 104702), (221, 96648), (312, 68459), (408, 52351), (442, 48324), (663, 32216), (884, 24162), (1326, 16108), (1768, 12081), (2652, 8054), (4027, 5304)]