21850340

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{101}}^1\times {\mathrm{373}}^1$

素因数の和:512

約数の個数: 48

約数和(自身を含む): 48066480

約数和(自身を除く): 26216140

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 101, 116, 145, 202, 290, 373, 404, 505, 580, 746, 1010, 1492, 1865, 2020, 2929, 3730, 5858, 7460, 10817, 11716, 14645, 21634, 29290, 37673, 43268, 54085, 58580, 75346, 108170, 150692, 188365, 216340, 376730, 753460, 1092517, 2185034, 4370068, 5462585, 10925170, 21850340]

約数ペア:

[(1, 21850340), (2, 10925170), (4, 5462585), (5, 4370068), (10, 2185034), (20, 1092517), (29, 753460), (58, 376730), (101, 216340), (116, 188365), (145, 150692), (202, 108170), (290, 75346), (373, 58580), (404, 54085), (505, 43268), (580, 37673), (746, 29290), (1010, 21634), (1492, 14645), (1865, 11716), (2020, 10817), (2929, 7460), (3730, 5858)]