21000923130

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{805559}}^1$

素因数の和:805659

約数の個数: 64

約数和(自身を含む): 55680307200

約数和(自身を除く): 34679384070

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 55, 66, 79, 110, 158, 165, 237, 330, 395, 474, 790, 869, 1185, 1738, 2370, 2607, 4345, 5214, 8690, 13035, 26070, 805559, 1611118, 2416677, 4027795, 4833354, 8055590, 8861149, 12083385, 17722298, 24166770, 26583447, 44305745, 53166894, 63639161, 88611490, 127278322, 132917235, 190917483, 265834470, 318195805, 381834966, 636391610, 700030771, 954587415, 1400061542, 1909174830, 2100092313, 3500153855, 4200184626, 7000307710, 10500461565, 21000923130]

約数ペア:

[(1, 21000923130), (2, 10500461565), (3, 7000307710), (5, 4200184626), (6, 3500153855), (10, 2100092313), (11, 1909174830), (15, 1400061542), (22, 954587415), (30, 700030771), (33, 636391610), (55, 381834966), (66, 318195805), (79, 265834470), (110, 190917483), (158, 132917235), (165, 127278322), (237, 88611490), (330, 63639161), (395, 53166894), (474, 44305745), (790, 26583447), (869, 24166770), (1185, 17722298), (1738, 12083385), (2370, 8861149), (2607, 8055590), (4345, 4833354), (5214, 4027795), (8690, 2416677), (13035, 1611118), (26070, 805559)]