21919050

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{67}}^1\times {\mathrm{727}}^1$

素因数の和:812

約数の個数: 72

約数和(自身を含む): 59850336

約数和(自身を除く): 37931286

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 45, 50, 67, 75, 90, 134, 150, 201, 225, 335, 402, 450, 603, 670, 727, 1005, 1206, 1454, 1675, 2010, 2181, 3015, 3350, 3635, 4362, 5025, 6030, 6543, 7270, 10050, 10905, 13086, 15075, 18175, 21810, 30150, 32715, 36350, 48709, 54525, 65430, 97418, 109050, 146127, 163575, 243545, 292254, 327150, 438381, 487090, 730635, 876762, 1217725, 1461270, 2191905, 2435450, 3653175, 4383810, 7306350, 10959525, 21919050]

約数ペア:

[(1, 21919050), (2, 10959525), (3, 7306350), (5, 4383810), (6, 3653175), (9, 2435450), (10, 2191905), (15, 1461270), (18, 1217725), (25, 876762), (30, 730635), (45, 487090), (50, 438381), (67, 327150), (75, 292254), (90, 243545), (134, 163575), (150, 146127), (201, 109050), (225, 97418), (335, 65430), (402, 54525), (450, 48709), (603, 36350), (670, 32715), (727, 30150), (1005, 21810), (1206, 18175), (1454, 15075), (1675, 13086), (2010, 10905), (2181, 10050), (3015, 7270), (3350, 6543), (3635, 6030), (4362, 5025)]