21920520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{6299}}^1$

素因数の和:6342

約数の個数: 64

約数和(自身を含む): 68040000

約数和(自身を除く): 46119480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 29, 30, 40, 58, 60, 87, 116, 120, 145, 174, 232, 290, 348, 435, 580, 696, 870, 1160, 1740, 3480, 6299, 12598, 18897, 25196, 31495, 37794, 50392, 62990, 75588, 94485, 125980, 151176, 182671, 188970, 251960, 365342, 377940, 548013, 730684, 755880, 913355, 1096026, 1461368, 1826710, 2192052, 2740065, 3653420, 4384104, 5480130, 7306840, 10960260, 21920520]

約数ペア:

[(1, 21920520), (2, 10960260), (3, 7306840), (4, 5480130), (5, 4384104), (6, 3653420), (8, 2740065), (10, 2192052), (12, 1826710), (15, 1461368), (20, 1096026), (24, 913355), (29, 755880), (30, 730684), (40, 548013), (58, 377940), (60, 365342), (87, 251960), (116, 188970), (120, 182671), (145, 151176), (174, 125980), (232, 94485), (290, 75588), (348, 62990), (435, 50392), (580, 37794), (696, 31495), (870, 25196), (1160, 18897), (1740, 12598), (3480, 6299)]