21884472

素因数分解:

$2^3\times 3^3\times {\mathrm{71}}^1\times {\mathrm{1427}}^1$

素因数の和:1513

約数の個数: 64

約数和(自身を含む): 61689600

約数和(自身を除く): 39805128

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 71, 72, 108, 142, 213, 216, 284, 426, 568, 639, 852, 1278, 1427, 1704, 1917, 2556, 2854, 3834, 4281, 5112, 5708, 7668, 8562, 11416, 12843, 15336, 17124, 25686, 34248, 38529, 51372, 77058, 101317, 102744, 154116, 202634, 303951, 308232, 405268, 607902, 810536, 911853, 1215804, 1823706, 2431608, 2735559, 3647412, 5471118, 7294824, 10942236, 21884472]

約数ペア:

[(1, 21884472), (2, 10942236), (3, 7294824), (4, 5471118), (6, 3647412), (8, 2735559), (9, 2431608), (12, 1823706), (18, 1215804), (24, 911853), (27, 810536), (36, 607902), (54, 405268), (71, 308232), (72, 303951), (108, 202634), (142, 154116), (213, 102744), (216, 101317), (284, 77058), (426, 51372), (568, 38529), (639, 34248), (852, 25686), (1278, 17124), (1427, 15336), (1704, 12843), (1917, 11416), (2556, 8562), (2854, 7668), (3834, 5708), (4281, 5112)]