21237636537

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{83}}^2\times {\mathrm{8783}}^1$

素因数の和:8971

約数の個数: 48

約数和(自身を含む): 34300465920

約数和(自身を除く): 13062829383

約数列:

[1, 3, 9, 13, 27, 39, 83, 117, 249, 351, 747, 1079, 2241, 3237, 6889, 8783, 9711, 20667, 26349, 29133, 62001, 79047, 89557, 114179, 186003, 237141, 268671, 342537, 728989, 806013, 1027611, 2186967, 2418039, 3082833, 6560901, 9476857, 19682703, 28430571, 60506087, 85291713, 181518261, 255875139, 544554783, 786579131, 1633664349, 2359737393, 7079212179, 21237636537]

約数ペア:

[(1, 21237636537), (3, 7079212179), (9, 2359737393), (13, 1633664349), (27, 786579131), (39, 544554783), (83, 255875139), (117, 181518261), (249, 85291713), (351, 60506087), (747, 28430571), (1079, 19682703), (2241, 9476857), (3237, 6560901), (6889, 3082833), (8783, 2418039), (9711, 2186967), (20667, 1027611), (26349, 806013), (29133, 728989), (62001, 342537), (79047, 268671), (89557, 237141), (114179, 186003)]