21173754

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{23}}^2\times {\mathrm{953}}^1$

素因数の和:1011

約数の個数: 48

約数和(自身を含む): 50645952

約数和(自身を除く): 29472198

約数列:

[1, 2, 3, 6, 7, 14, 21, 23, 42, 46, 69, 138, 161, 322, 483, 529, 953, 966, 1058, 1587, 1906, 2859, 3174, 3703, 5718, 6671, 7406, 11109, 13342, 20013, 21919, 22218, 40026, 43838, 65757, 131514, 153433, 306866, 460299, 504137, 920598, 1008274, 1512411, 3024822, 3528959, 7057918, 10586877, 21173754]

約数ペア:

[(1, 21173754), (2, 10586877), (3, 7057918), (6, 3528959), (7, 3024822), (14, 1512411), (21, 1008274), (23, 920598), (42, 504137), (46, 460299), (69, 306866), (138, 153433), (161, 131514), (322, 65757), (483, 43838), (529, 40026), (953, 22218), (966, 21919), (1058, 20013), (1587, 13342), (1906, 11109), (2859, 7406), (3174, 6671), (3703, 5718)]