21509219056

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1217}}^1\times {\mathrm{2741}}^1$

素因数の和:4010

約数の個数: 80

約数和(自身を含む): 46382531328

約数和(自身を除く): 24873312272

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 104, 124, 208, 248, 403, 496, 806, 1217, 1612, 2434, 2741, 3224, 4868, 5482, 6448, 9736, 10964, 15821, 19472, 21928, 31642, 35633, 37727, 43856, 63284, 71266, 75454, 84971, 126568, 142532, 150908, 169942, 253136, 285064, 301816, 339884, 490451, 570128, 603632, 679768, 980902, 1104623, 1359536, 1961804, 2209246, 3335797, 3923608, 4418492, 6671594, 7847216, 8836984, 13343188, 17673968, 26686376, 43365361, 53372752, 86730722, 103409707, 173461444, 206819414, 346922888, 413638828, 693845776, 827277656, 1344326191, 1654555312, 2688652382, 5377304764, 10754609528, 21509219056]

約数ペア:

[(1, 21509219056), (2, 10754609528), (4, 5377304764), (8, 2688652382), (13, 1654555312), (16, 1344326191), (26, 827277656), (31, 693845776), (52, 413638828), (62, 346922888), (104, 206819414), (124, 173461444), (208, 103409707), (248, 86730722), (403, 53372752), (496, 43365361), (806, 26686376), (1217, 17673968), (1612, 13343188), (2434, 8836984), (2741, 7847216), (3224, 6671594), (4868, 4418492), (5482, 3923608), (6448, 3335797), (9736, 2209246), (10964, 1961804), (15821, 1359536), (19472, 1104623), (21928, 980902), (31642, 679768), (35633, 603632), (37727, 570128), (43856, 490451), (63284, 339884), (71266, 301816), (75454, 285064), (84971, 253136), (126568, 169942), (142532, 150908)]