21591660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{12409}}^1$

素因数の和:12450

約数の個数: 48

約数和(自身を含む): 62546400

約数和(自身を除く): 40954740

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 29, 30, 58, 60, 87, 116, 145, 174, 290, 348, 435, 580, 870, 1740, 12409, 24818, 37227, 49636, 62045, 74454, 124090, 148908, 186135, 248180, 359861, 372270, 719722, 744540, 1079583, 1439444, 1799305, 2159166, 3598610, 4318332, 5397915, 7197220, 10795830, 21591660]

約数ペア:

[(1, 21591660), (2, 10795830), (3, 7197220), (4, 5397915), (5, 4318332), (6, 3598610), (10, 2159166), (12, 1799305), (15, 1439444), (20, 1079583), (29, 744540), (30, 719722), (58, 372270), (60, 359861), (87, 248180), (116, 186135), (145, 148908), (174, 124090), (290, 74454), (348, 62045), (435, 49636), (580, 37227), (870, 24818), (1740, 12409)]