21457254

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{3023}}^1$

素因数の和:3061

約数の個数: 48

約数和(自身を含む): 53125632

約数和(自身を除く): 31668378

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 78, 91, 169, 182, 273, 338, 507, 546, 1014, 1183, 2366, 3023, 3549, 6046, 7098, 9069, 18138, 21161, 39299, 42322, 63483, 78598, 117897, 126966, 235794, 275093, 510887, 550186, 825279, 1021774, 1532661, 1650558, 3065322, 3576209, 7152418, 10728627, 21457254]

約数ペア:

[(1, 21457254), (2, 10728627), (3, 7152418), (6, 3576209), (7, 3065322), (13, 1650558), (14, 1532661), (21, 1021774), (26, 825279), (39, 550186), (42, 510887), (78, 275093), (91, 235794), (169, 126966), (182, 117897), (273, 78598), (338, 63483), (507, 42322), (546, 39299), (1014, 21161), (1183, 18138), (2366, 9069), (3023, 7098), (3549, 6046)]