21879156978

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{10214359}}^1$

素因数の和:10214391

約数の個数: 48

約数和(自身を含む): 57363845760

約数和(自身を除く): 35484688782

約数列:

[1, 2, 3, 6, 7, 9, 14, 17, 18, 21, 34, 42, 51, 63, 102, 119, 126, 153, 238, 306, 357, 714, 1071, 2142, 10214359, 20428718, 30643077, 61286154, 71500513, 91929231, 143001026, 173644103, 183858462, 214501539, 347288206, 429003078, 520932309, 643504617, 1041864618, 1215508721, 1287009234, 1562796927, 2431017442, 3125593854, 3646526163, 7293052326, 10939578489, 21879156978]

約数ペア:

[(1, 21879156978), (2, 10939578489), (3, 7293052326), (6, 3646526163), (7, 3125593854), (9, 2431017442), (14, 1562796927), (17, 1287009234), (18, 1215508721), (21, 1041864618), (34, 643504617), (42, 520932309), (51, 429003078), (63, 347288206), (102, 214501539), (119, 183858462), (126, 173644103), (153, 143001026), (238, 91929231), (306, 71500513), (357, 61286154), (714, 30643077), (1071, 20428718), (2142, 10214359)]