21308274

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{2221}}^1$

素因数の和:2283

約数の個数: 48

約数和(自身を含む): 50954904

約数和(自身を除く): 29646630

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 41, 78, 82, 117, 123, 234, 246, 369, 533, 738, 1066, 1599, 2221, 3198, 4442, 4797, 6663, 9594, 13326, 19989, 28873, 39978, 57746, 86619, 91061, 173238, 182122, 259857, 273183, 519714, 546366, 819549, 1183793, 1639098, 2367586, 3551379, 7102758, 10654137, 21308274]

約数ペア:

[(1, 21308274), (2, 10654137), (3, 7102758), (6, 3551379), (9, 2367586), (13, 1639098), (18, 1183793), (26, 819549), (39, 546366), (41, 519714), (78, 273183), (82, 259857), (117, 182122), (123, 173238), (234, 91061), (246, 86619), (369, 57746), (533, 39978), (738, 28873), (1066, 19989), (1599, 13326), (2221, 9594), (3198, 6663), (4442, 4797)]