21597004

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2221}}^1$

素因数の和:2266

約数の個数: 48

約数和(自身を含む): 47035296

約数和(自身を除く): 25438292

約数列:

[1, 2, 4, 11, 13, 17, 22, 26, 34, 44, 52, 68, 143, 187, 221, 286, 374, 442, 572, 748, 884, 2221, 2431, 4442, 4862, 8884, 9724, 24431, 28873, 37757, 48862, 57746, 75514, 97724, 115492, 151028, 317603, 415327, 490841, 635206, 830654, 981682, 1270412, 1661308, 1963364, 5399251, 10798502, 21597004]

約数ペア:

[(1, 21597004), (2, 10798502), (4, 5399251), (11, 1963364), (13, 1661308), (17, 1270412), (22, 981682), (26, 830654), (34, 635206), (44, 490841), (52, 415327), (68, 317603), (143, 151028), (187, 115492), (221, 97724), (286, 75514), (374, 57746), (442, 48862), (572, 37757), (748, 28873), (884, 24431), (2221, 9724), (2431, 8884), (4442, 4862)]