21776280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{9551}}^1$

素因数の和:9584

約数の個数: 64

約数和(自身を含む): 68774400

約数和(自身を除く): 46998120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 95, 114, 120, 152, 190, 228, 285, 380, 456, 570, 760, 1140, 2280, 9551, 19102, 28653, 38204, 47755, 57306, 76408, 95510, 114612, 143265, 181469, 191020, 229224, 286530, 362938, 382040, 544407, 573060, 725876, 907345, 1088814, 1146120, 1451752, 1814690, 2177628, 2722035, 3629380, 4355256, 5444070, 7258760, 10888140, 21776280]

約数ペア:

[(1, 21776280), (2, 10888140), (3, 7258760), (4, 5444070), (5, 4355256), (6, 3629380), (8, 2722035), (10, 2177628), (12, 1814690), (15, 1451752), (19, 1146120), (20, 1088814), (24, 907345), (30, 725876), (38, 573060), (40, 544407), (57, 382040), (60, 362938), (76, 286530), (95, 229224), (114, 191020), (120, 181469), (152, 143265), (190, 114612), (228, 95510), (285, 76408), (380, 57306), (456, 47755), (570, 38204), (760, 28653), (1140, 19102), (2280, 9551)]