21423312

素因数分解:

$2^4\times 3^3\times {\mathrm{101}}^1\times {\mathrm{491}}^1$

素因数の和:609

約数の個数: 80

約数和(自身を含む): 62228160

約数和(自身を除く): 40804848

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 101, 108, 144, 202, 216, 303, 404, 432, 491, 606, 808, 909, 982, 1212, 1473, 1616, 1818, 1964, 2424, 2727, 2946, 3636, 3928, 4419, 4848, 5454, 5892, 7272, 7856, 8838, 10908, 11784, 13257, 14544, 17676, 21816, 23568, 26514, 35352, 43632, 49591, 53028, 70704, 99182, 106056, 148773, 198364, 212112, 297546, 396728, 446319, 595092, 793456, 892638, 1190184, 1338957, 1785276, 2380368, 2677914, 3570552, 5355828, 7141104, 10711656, 21423312]

約数ペア:

[(1, 21423312), (2, 10711656), (3, 7141104), (4, 5355828), (6, 3570552), (8, 2677914), (9, 2380368), (12, 1785276), (16, 1338957), (18, 1190184), (24, 892638), (27, 793456), (36, 595092), (48, 446319), (54, 396728), (72, 297546), (101, 212112), (108, 198364), (144, 148773), (202, 106056), (216, 99182), (303, 70704), (404, 53028), (432, 49591), (491, 43632), (606, 35352), (808, 26514), (909, 23568), (982, 21816), (1212, 17676), (1473, 14544), (1616, 13257), (1818, 11784), (1964, 10908), (2424, 8838), (2727, 7856), (2946, 7272), (3636, 5892), (3928, 5454), (4419, 4848)]