21013769504

素因数分解:

$2^5\times 7^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{56821}}^1$

素因数の和:56978

約数の個数: 96

約数和(自身を含む): 51319812096

約数和(自身を除く): 30306042592

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 91, 104, 112, 127, 182, 208, 224, 254, 364, 416, 508, 728, 889, 1016, 1456, 1651, 1778, 2032, 2912, 3302, 3556, 4064, 6604, 7112, 11557, 13208, 14224, 23114, 26416, 28448, 46228, 52832, 56821, 92456, 113642, 184912, 227284, 369824, 397747, 454568, 738673, 795494, 909136, 1477346, 1590988, 1818272, 2954692, 3181976, 5170711, 5909384, 6363952, 7216267, 10341422, 11818768, 12727904, 14432534, 20682844, 23637536, 28865068, 41365688, 50513869, 57730136, 82731376, 93811471, 101027738, 115460272, 165462752, 187622942, 202055476, 230920544, 375245884, 404110952, 656680297, 750491768, 808221904, 1313360594, 1500983536, 1616443808, 2626721188, 3001967072, 5253442376, 10506884752, 21013769504]

約数ペア:

[(1, 21013769504), (2, 10506884752), (4, 5253442376), (7, 3001967072), (8, 2626721188), (13, 1616443808), (14, 1500983536), (16, 1313360594), (26, 808221904), (28, 750491768), (32, 656680297), (52, 404110952), (56, 375245884), (91, 230920544), (104, 202055476), (112, 187622942), (127, 165462752), (182, 115460272), (208, 101027738), (224, 93811471), (254, 82731376), (364, 57730136), (416, 50513869), (508, 41365688), (728, 28865068), (889, 23637536), (1016, 20682844), (1456, 14432534), (1651, 12727904), (1778, 11818768), (2032, 10341422), (2912, 7216267), (3302, 6363952), (3556, 5909384), (4064, 5170711), (6604, 3181976), (7112, 2954692), (11557, 1818272), (13208, 1590988), (14224, 1477346), (23114, 909136), (26416, 795494), (28448, 738673), (46228, 454568), (52832, 397747), (56821, 369824), (92456, 227284), (113642, 184912)]