21396312

素因数分解:

$2^3\times 3^4\times 7^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1$

素因数の和:167

約数の個数: 160

約数和(自身を含む): 70567200

約数和(自身を除く): 49170888

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 36, 42, 53, 54, 56, 63, 72, 81, 84, 89, 106, 108, 126, 159, 162, 168, 178, 189, 212, 216, 252, 267, 318, 324, 356, 371, 378, 424, 477, 504, 534, 567, 623, 636, 648, 712, 742, 756, 801, 954, 1068, 1113, 1134, 1246, 1272, 1431, 1484, 1512, 1602, 1869, 1908, 2136, 2226, 2268, 2403, 2492, 2862, 2968, 3204, 3339, 3738, 3816, 4293, 4452, 4536, 4717, 4806, 4984, 5607, 5724, 6408, 6678, 7209, 7476, 8586, 8904, 9434, 9612, 10017, 11214, 11448, 13356, 14151, 14418, 14952, 16821, 17172, 18868, 19224, 20034, 22428, 26712, 28302, 28836, 30051, 33019, 33642, 34344, 37736, 40068, 42453, 44856, 50463, 56604, 57672, 60102, 66038, 67284, 80136, 84906, 99057, 100926, 113208, 120204, 127359, 132076, 134568, 169812, 198114, 201852, 240408, 254718, 264152, 297171, 339624, 382077, 396228, 403704, 509436, 594342, 764154, 792456, 891513, 1018872, 1188684, 1528308, 1783026, 2377368, 2674539, 3056616, 3566052, 5349078, 7132104, 10698156, 21396312]

約数ペア:

[(1, 21396312), (2, 10698156), (3, 7132104), (4, 5349078), (6, 3566052), (7, 3056616), (8, 2674539), (9, 2377368), (12, 1783026), (14, 1528308), (18, 1188684), (21, 1018872), (24, 891513), (27, 792456), (28, 764154), (36, 594342), (42, 509436), (53, 403704), (54, 396228), (56, 382077), (63, 339624), (72, 297171), (81, 264152), (84, 254718), (89, 240408), (106, 201852), (108, 198114), (126, 169812), (159, 134568), (162, 132076), (168, 127359), (178, 120204), (189, 113208), (212, 100926), (216, 99057), (252, 84906), (267, 80136), (318, 67284), (324, 66038), (356, 60102), (371, 57672), (378, 56604), (424, 50463), (477, 44856), (504, 42453), (534, 40068), (567, 37736), (623, 34344), (636, 33642), (648, 33019), (712, 30051), (742, 28836), (756, 28302), (801, 26712), (954, 22428), (1068, 20034), (1113, 19224), (1134, 18868), (1246, 17172), (1272, 16821), (1431, 14952), (1484, 14418), (1512, 14151), (1602, 13356), (1869, 11448), (1908, 11214), (2136, 10017), (2226, 9612), (2268, 9434), (2403, 8904), (2492, 8586), (2862, 7476), (2968, 7209), (3204, 6678), (3339, 6408), (3738, 5724), (3816, 5607), (4293, 4984), (4452, 4806), (4536, 4717)]