21264780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{59}}^1\times {\mathrm{6007}}^1$

素因数の和:6078

約数の個数: 48

約数和(自身を含む): 60560640

約数和(自身を除く): 39295860

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 59, 60, 118, 177, 236, 295, 354, 590, 708, 885, 1180, 1770, 3540, 6007, 12014, 18021, 24028, 30035, 36042, 60070, 72084, 90105, 120140, 180210, 354413, 360420, 708826, 1063239, 1417652, 1772065, 2126478, 3544130, 4252956, 5316195, 7088260, 10632390, 21264780]

約数ペア:

[(1, 21264780), (2, 10632390), (3, 7088260), (4, 5316195), (5, 4252956), (6, 3544130), (10, 2126478), (12, 1772065), (15, 1417652), (20, 1063239), (30, 708826), (59, 360420), (60, 354413), (118, 180210), (177, 120140), (236, 90105), (295, 72084), (354, 60070), (590, 36042), (708, 30035), (885, 24028), (1180, 18021), (1770, 12014), (3540, 6007)]