21078576

素因数分解:

$2^4\times 3^3\times {\mathrm{59}}^1\times {\mathrm{827}}^1$

素因数の和:903

約数の個数: 80

約数和(自身を含む): 61603200

約数和(自身を除く): 40524624

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 59, 72, 108, 118, 144, 177, 216, 236, 354, 432, 472, 531, 708, 827, 944, 1062, 1416, 1593, 1654, 2124, 2481, 2832, 3186, 3308, 4248, 4962, 6372, 6616, 7443, 8496, 9924, 12744, 13232, 14886, 19848, 22329, 25488, 29772, 39696, 44658, 48793, 59544, 89316, 97586, 119088, 146379, 178632, 195172, 292758, 357264, 390344, 439137, 585516, 780688, 878274, 1171032, 1317411, 1756548, 2342064, 2634822, 3513096, 5269644, 7026192, 10539288, 21078576]

約数ペア:

[(1, 21078576), (2, 10539288), (3, 7026192), (4, 5269644), (6, 3513096), (8, 2634822), (9, 2342064), (12, 1756548), (16, 1317411), (18, 1171032), (24, 878274), (27, 780688), (36, 585516), (48, 439137), (54, 390344), (59, 357264), (72, 292758), (108, 195172), (118, 178632), (144, 146379), (177, 119088), (216, 97586), (236, 89316), (354, 59544), (432, 48793), (472, 44658), (531, 39696), (708, 29772), (827, 25488), (944, 22329), (1062, 19848), (1416, 14886), (1593, 13232), (1654, 12744), (2124, 9924), (2481, 8496), (2832, 7443), (3186, 6616), (3308, 6372), (4248, 4962)]