21190764

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{8699}}^1$

素因数の和:8742

約数の個数: 48

約数和(自身を含む): 58464000

約数和(自身を除く): 37273236

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 29, 42, 58, 84, 87, 116, 174, 203, 348, 406, 609, 812, 1218, 2436, 8699, 17398, 26097, 34796, 52194, 60893, 104388, 121786, 182679, 243572, 252271, 365358, 504542, 730716, 756813, 1009084, 1513626, 1765897, 3027252, 3531794, 5297691, 7063588, 10595382, 21190764]

約数ペア:

[(1, 21190764), (2, 10595382), (3, 7063588), (4, 5297691), (6, 3531794), (7, 3027252), (12, 1765897), (14, 1513626), (21, 1009084), (28, 756813), (29, 730716), (42, 504542), (58, 365358), (84, 252271), (87, 243572), (116, 182679), (174, 121786), (203, 104388), (348, 60893), (406, 52194), (609, 34796), (812, 26097), (1218, 17398), (2436, 8699)]