21549164

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{1117}}^1$

素因数の和:1194

約数の個数: 48

約数和(自身を含む): 47331648

約数和(自身を除く): 25782484

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 53, 91, 106, 182, 212, 364, 371, 689, 742, 1117, 1378, 1484, 2234, 2756, 4468, 4823, 7819, 9646, 14521, 15638, 19292, 29042, 31276, 58084, 59201, 101647, 118402, 203294, 236804, 406588, 414407, 769613, 828814, 1539226, 1657628, 3078452, 5387291, 10774582, 21549164]

約数ペア:

[(1, 21549164), (2, 10774582), (4, 5387291), (7, 3078452), (13, 1657628), (14, 1539226), (26, 828814), (28, 769613), (52, 414407), (53, 406588), (91, 236804), (106, 203294), (182, 118402), (212, 101647), (364, 59201), (371, 58084), (689, 31276), (742, 29042), (1117, 19292), (1378, 15638), (1484, 14521), (2234, 9646), (2756, 7819), (4468, 4823)]