21400704

素因数分解:

$2^7\times 3^2\times {\mathrm{13}}^1\times {\mathrm{1429}}^1$

素因数の和:1462

約数の個数: 96

約数和(自身を含む): 66366300

約数和(自身を除く): 44965596

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 32, 36, 39, 48, 52, 64, 72, 78, 96, 104, 117, 128, 144, 156, 192, 208, 234, 288, 312, 384, 416, 468, 576, 624, 832, 936, 1152, 1248, 1429, 1664, 1872, 2496, 2858, 3744, 4287, 4992, 5716, 7488, 8574, 11432, 12861, 14976, 17148, 18577, 22864, 25722, 34296, 37154, 45728, 51444, 55731, 68592, 74308, 91456, 102888, 111462, 137184, 148616, 167193, 182912, 205776, 222924, 274368, 297232, 334386, 411552, 445848, 548736, 594464, 668772, 823104, 891696, 1188928, 1337544, 1646208, 1783392, 2377856, 2675088, 3566784, 5350176, 7133568, 10700352, 21400704]

約数ペア:

[(1, 21400704), (2, 10700352), (3, 7133568), (4, 5350176), (6, 3566784), (8, 2675088), (9, 2377856), (12, 1783392), (13, 1646208), (16, 1337544), (18, 1188928), (24, 891696), (26, 823104), (32, 668772), (36, 594464), (39, 548736), (48, 445848), (52, 411552), (64, 334386), (72, 297232), (78, 274368), (96, 222924), (104, 205776), (117, 182912), (128, 167193), (144, 148616), (156, 137184), (192, 111462), (208, 102888), (234, 91456), (288, 74308), (312, 68592), (384, 55731), (416, 51444), (468, 45728), (576, 37154), (624, 34296), (832, 25722), (936, 22864), (1152, 18577), (1248, 17148), (1429, 14976), (1664, 12861), (1872, 11432), (2496, 8574), (2858, 7488), (3744, 5716), (4287, 4992)]