21708240

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{3119}}^1$

素因数の和:3164

約数の個数: 80

約数和(自身を含む): 69638400

約数和(自身を除く): 47930160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 29, 30, 40, 48, 58, 60, 80, 87, 116, 120, 145, 174, 232, 240, 290, 348, 435, 464, 580, 696, 870, 1160, 1392, 1740, 2320, 3119, 3480, 6238, 6960, 9357, 12476, 15595, 18714, 24952, 31190, 37428, 46785, 49904, 62380, 74856, 90451, 93570, 124760, 149712, 180902, 187140, 249520, 271353, 361804, 374280, 452255, 542706, 723608, 748560, 904510, 1085412, 1356765, 1447216, 1809020, 2170824, 2713530, 3618040, 4341648, 5427060, 7236080, 10854120, 21708240]

約数ペア:

[(1, 21708240), (2, 10854120), (3, 7236080), (4, 5427060), (5, 4341648), (6, 3618040), (8, 2713530), (10, 2170824), (12, 1809020), (15, 1447216), (16, 1356765), (20, 1085412), (24, 904510), (29, 748560), (30, 723608), (40, 542706), (48, 452255), (58, 374280), (60, 361804), (80, 271353), (87, 249520), (116, 187140), (120, 180902), (145, 149712), (174, 124760), (232, 93570), (240, 90451), (290, 74856), (348, 62380), (435, 49904), (464, 46785), (580, 37428), (696, 31190), (870, 24952), (1160, 18714), (1392, 15595), (1740, 12476), (2320, 9357), (3119, 6960), (3480, 6238)]