21326396

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{1429}}^1$

素因数の和:1494

約数の個数: 48

約数和(自身を含む): 47087040

約数和(自身を除く): 25760644

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 41, 52, 82, 91, 164, 182, 287, 364, 533, 574, 1066, 1148, 1429, 2132, 2858, 3731, 5716, 7462, 10003, 14924, 18577, 20006, 37154, 40012, 58589, 74308, 117178, 130039, 234356, 260078, 410123, 520156, 761657, 820246, 1523314, 1640492, 3046628, 5331599, 10663198, 21326396]

約数ペア:

[(1, 21326396), (2, 10663198), (4, 5331599), (7, 3046628), (13, 1640492), (14, 1523314), (26, 820246), (28, 761657), (41, 520156), (52, 410123), (82, 260078), (91, 234356), (164, 130039), (182, 117178), (287, 74308), (364, 58589), (533, 40012), (574, 37154), (1066, 20006), (1148, 18577), (1429, 14924), (2132, 10003), (2858, 7462), (3731, 5716)]