21432435

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^2\times {\mathrm{37}}^1\times {\mathrm{73}}^1$

素因数の和:164

約数の個数: 48

約数和(自身を含む): 37320864

約数和(自身を除く): 15888429

約数列:

[1, 3, 5, 15, 23, 37, 69, 73, 111, 115, 185, 219, 345, 365, 529, 555, 851, 1095, 1587, 1679, 2553, 2645, 2701, 4255, 5037, 7935, 8103, 8395, 12765, 13505, 19573, 25185, 38617, 40515, 58719, 62123, 97865, 115851, 186369, 193085, 293595, 310615, 579255, 931845, 1428829, 4286487, 7144145, 21432435]

約数ペア:

[(1, 21432435), (3, 7144145), (5, 4286487), (15, 1428829), (23, 931845), (37, 579255), (69, 310615), (73, 293595), (111, 193085), (115, 186369), (185, 115851), (219, 97865), (345, 62123), (365, 58719), (529, 40515), (555, 38617), (851, 25185), (1095, 19573), (1587, 13505), (1679, 12765), (2553, 8395), (2645, 8103), (2701, 7935), (4255, 5037)]