21313560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{3779}}^1$

素因数の和:3840

約数の個数: 64

約数和(自身を含む): 65318400

約数和(自身を除く): 44004840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 47, 60, 94, 120, 141, 188, 235, 282, 376, 470, 564, 705, 940, 1128, 1410, 1880, 2820, 3779, 5640, 7558, 11337, 15116, 18895, 22674, 30232, 37790, 45348, 56685, 75580, 90696, 113370, 151160, 177613, 226740, 355226, 453480, 532839, 710452, 888065, 1065678, 1420904, 1776130, 2131356, 2664195, 3552260, 4262712, 5328390, 7104520, 10656780, 21313560]

約数ペア:

[(1, 21313560), (2, 10656780), (3, 7104520), (4, 5328390), (5, 4262712), (6, 3552260), (8, 2664195), (10, 2131356), (12, 1776130), (15, 1420904), (20, 1065678), (24, 888065), (30, 710452), (40, 532839), (47, 453480), (60, 355226), (94, 226740), (120, 177613), (141, 151160), (188, 113370), (235, 90696), (282, 75580), (376, 56685), (470, 45348), (564, 37790), (705, 30232), (940, 22674), (1128, 18895), (1410, 15116), (1880, 11337), (2820, 7558), (3779, 5640)]