21255894

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{3463}}^1$

素因数の和:3513

約数の個数: 48

約数和(自身を含む): 51876864

約数和(自身を除く): 30620970

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 31, 33, 62, 66, 93, 99, 186, 198, 279, 341, 558, 682, 1023, 2046, 3069, 3463, 6138, 6926, 10389, 20778, 31167, 38093, 62334, 76186, 107353, 114279, 214706, 228558, 322059, 342837, 644118, 685674, 966177, 1180883, 1932354, 2361766, 3542649, 7085298, 10627947, 21255894]

約数ペア:

[(1, 21255894), (2, 10627947), (3, 7085298), (6, 3542649), (9, 2361766), (11, 1932354), (18, 1180883), (22, 966177), (31, 685674), (33, 644118), (62, 342837), (66, 322059), (93, 228558), (99, 214706), (186, 114279), (198, 107353), (279, 76186), (341, 62334), (558, 38093), (682, 31167), (1023, 20778), (2046, 10389), (3069, 6926), (3463, 6138)]