21563535528

素因数分解:

$2^3\times 3^4\times {\mathrm{71}}^1\times {\mathrm{468691}}^1$

素因数の和:468780

約数の個数: 80

約数和(自身を含む): 61248670560

約数和(自身を除く): 39685135032

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 71, 72, 81, 108, 142, 162, 213, 216, 284, 324, 426, 568, 639, 648, 852, 1278, 1704, 1917, 2556, 3834, 5112, 5751, 7668, 11502, 15336, 23004, 46008, 468691, 937382, 1406073, 1874764, 2812146, 3749528, 4218219, 5624292, 8436438, 11248584, 12654657, 16872876, 25309314, 33277061, 33745752, 37963971, 50618628, 66554122, 75927942, 99831183, 101237256, 133108244, 151855884, 199662366, 266216488, 299493549, 303711768, 399324732, 598987098, 798649464, 898480647, 1197974196, 1796961294, 2395948392, 2695441941, 3593922588, 5390883882, 7187845176, 10781767764, 21563535528]

約数ペア:

[(1, 21563535528), (2, 10781767764), (3, 7187845176), (4, 5390883882), (6, 3593922588), (8, 2695441941), (9, 2395948392), (12, 1796961294), (18, 1197974196), (24, 898480647), (27, 798649464), (36, 598987098), (54, 399324732), (71, 303711768), (72, 299493549), (81, 266216488), (108, 199662366), (142, 151855884), (162, 133108244), (213, 101237256), (216, 99831183), (284, 75927942), (324, 66554122), (426, 50618628), (568, 37963971), (639, 33745752), (648, 33277061), (852, 25309314), (1278, 16872876), (1704, 12654657), (1917, 11248584), (2556, 8436438), (3834, 5624292), (5112, 4218219), (5751, 3749528), (7668, 2812146), (11502, 1874764), (15336, 1406073), (23004, 937382), (46008, 468691)]