21231342

素因数分解:

$2^1\times 3^3\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1153}}^1$

素因数の和:1206

約数の個数: 64

約数和(自身を含む): 53176320

約数和(自身を除く): 31944978

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 27, 31, 33, 54, 62, 66, 93, 99, 186, 198, 279, 297, 341, 558, 594, 682, 837, 1023, 1153, 1674, 2046, 2306, 3069, 3459, 6138, 6918, 9207, 10377, 12683, 18414, 20754, 25366, 31131, 35743, 38049, 62262, 71486, 76098, 107229, 114147, 214458, 228294, 321687, 342441, 393173, 643374, 684882, 786346, 965061, 1179519, 1930122, 2359038, 3538557, 7077114, 10615671, 21231342]

約数ペア:

[(1, 21231342), (2, 10615671), (3, 7077114), (6, 3538557), (9, 2359038), (11, 1930122), (18, 1179519), (22, 965061), (27, 786346), (31, 684882), (33, 643374), (54, 393173), (62, 342441), (66, 321687), (93, 228294), (99, 214458), (186, 114147), (198, 107229), (279, 76098), (297, 71486), (341, 62262), (558, 38049), (594, 35743), (682, 31131), (837, 25366), (1023, 20754), (1153, 18414), (1674, 12683), (2046, 10377), (2306, 9207), (3069, 6918), (3459, 6138)]