16947021

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{2699}}^1$

素因数の和:2745

約数の個数: 32

約数和(自身を含む): 29030400

約数和(自身を除く): 12083379

約数列:

[1, 3, 7, 13, 21, 23, 39, 69, 91, 161, 273, 299, 483, 897, 2093, 2699, 6279, 8097, 18893, 35087, 56679, 62077, 105261, 186231, 245609, 434539, 736827, 807001, 1303617, 2421003, 5649007, 16947021]

約数ペア:

[(1, 16947021), (3, 5649007), (7, 2421003), (13, 1303617), (21, 807001), (23, 736827), (39, 434539), (69, 245609), (91, 186231), (161, 105261), (273, 62077), (299, 56679), (483, 35087), (897, 18893), (2093, 8097), (2699, 6279)]