21379176

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{251}}^1$

素因数の和:296

約数の個数: 144

約数和(自身を含む): 71940960

約数和(自身を除く): 50561784

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 18, 21, 24, 26, 28, 36, 39, 42, 52, 56, 63, 72, 78, 84, 91, 104, 117, 126, 156, 168, 169, 182, 234, 251, 252, 273, 312, 338, 364, 468, 502, 504, 507, 546, 676, 728, 753, 819, 936, 1004, 1014, 1092, 1183, 1352, 1506, 1521, 1638, 1757, 2008, 2028, 2184, 2259, 2366, 3012, 3042, 3263, 3276, 3514, 3549, 4056, 4518, 4732, 5271, 6024, 6084, 6526, 6552, 7028, 7098, 9036, 9464, 9789, 10542, 10647, 12168, 13052, 14056, 14196, 15813, 18072, 19578, 21084, 21294, 22841, 26104, 28392, 29367, 31626, 39156, 42168, 42419, 42588, 45682, 58734, 63252, 68523, 78312, 84838, 85176, 91364, 117468, 126504, 127257, 137046, 169676, 182728, 205569, 234936, 254514, 274092, 296933, 339352, 381771, 411138, 509028, 548184, 593866, 763542, 822276, 890799, 1018056, 1187732, 1527084, 1644552, 1781598, 2375464, 2672397, 3054168, 3563196, 5344794, 7126392, 10689588, 21379176]

約数ペア:

[(1, 21379176), (2, 10689588), (3, 7126392), (4, 5344794), (6, 3563196), (7, 3054168), (8, 2672397), (9, 2375464), (12, 1781598), (13, 1644552), (14, 1527084), (18, 1187732), (21, 1018056), (24, 890799), (26, 822276), (28, 763542), (36, 593866), (39, 548184), (42, 509028), (52, 411138), (56, 381771), (63, 339352), (72, 296933), (78, 274092), (84, 254514), (91, 234936), (104, 205569), (117, 182728), (126, 169676), (156, 137046), (168, 127257), (169, 126504), (182, 117468), (234, 91364), (251, 85176), (252, 84838), (273, 78312), (312, 68523), (338, 63252), (364, 58734), (468, 45682), (502, 42588), (504, 42419), (507, 42168), (546, 39156), (676, 31626), (728, 29367), (753, 28392), (819, 26104), (936, 22841), (1004, 21294), (1014, 21084), (1092, 19578), (1183, 18072), (1352, 15813), (1506, 14196), (1521, 14056), (1638, 13052), (1757, 12168), (2008, 10647), (2028, 10542), (2184, 9789), (2259, 9464), (2366, 9036), (3012, 7098), (3042, 7028), (3263, 6552), (3276, 6526), (3514, 6084), (3549, 6024), (4056, 5271), (4518, 4732)]