21733180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{101}}^1$

素因数の和:199

約数の個数: 96

約数和(自身を含む): 55520640

約数和(自身を除く): 33787460

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 53, 58, 70, 101, 106, 116, 140, 145, 202, 203, 212, 265, 290, 371, 404, 406, 505, 530, 580, 707, 742, 812, 1010, 1015, 1060, 1414, 1484, 1537, 1855, 2020, 2030, 2828, 2929, 3074, 3535, 3710, 4060, 5353, 5858, 6148, 7070, 7420, 7685, 10706, 10759, 11716, 14140, 14645, 15370, 20503, 21412, 21518, 26765, 29290, 30740, 37471, 41006, 43036, 53530, 53795, 58580, 74942, 82012, 102515, 107060, 107590, 149884, 155237, 187355, 205030, 215180, 310474, 374710, 410060, 620948, 749420, 776185, 1086659, 1552370, 2173318, 3104740, 4346636, 5433295, 10866590, 21733180]

約数ペア:

[(1, 21733180), (2, 10866590), (4, 5433295), (5, 4346636), (7, 3104740), (10, 2173318), (14, 1552370), (20, 1086659), (28, 776185), (29, 749420), (35, 620948), (53, 410060), (58, 374710), (70, 310474), (101, 215180), (106, 205030), (116, 187355), (140, 155237), (145, 149884), (202, 107590), (203, 107060), (212, 102515), (265, 82012), (290, 74942), (371, 58580), (404, 53795), (406, 53530), (505, 43036), (530, 41006), (580, 37471), (707, 30740), (742, 29290), (812, 26765), (1010, 21518), (1015, 21412), (1060, 20503), (1414, 15370), (1484, 14645), (1537, 14140), (1855, 11716), (2020, 10759), (2030, 10706), (2828, 7685), (2929, 7420), (3074, 7070), (3535, 6148), (3710, 5858), (4060, 5353)]