21547848

素因数分解:

$2^3\times 3^1\times 7^2\times {\mathrm{73}}^1\times {\mathrm{251}}^1$

素因数の和:347

約数の個数: 96

約数和(自身を含む): 63776160

約数和(自身を除く): 42228312

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 49, 56, 73, 84, 98, 146, 147, 168, 196, 219, 251, 292, 294, 392, 438, 502, 511, 584, 588, 753, 876, 1004, 1022, 1176, 1506, 1533, 1752, 1757, 2008, 2044, 3012, 3066, 3514, 3577, 4088, 5271, 6024, 6132, 7028, 7154, 10542, 10731, 12264, 12299, 14056, 14308, 18323, 21084, 21462, 24598, 28616, 36646, 36897, 42168, 42924, 49196, 54969, 73292, 73794, 85848, 98392, 109938, 128261, 146584, 147588, 219876, 256522, 295176, 384783, 439752, 513044, 769566, 897827, 1026088, 1539132, 1795654, 2693481, 3078264, 3591308, 5386962, 7182616, 10773924, 21547848]

約数ペア:

[(1, 21547848), (2, 10773924), (3, 7182616), (4, 5386962), (6, 3591308), (7, 3078264), (8, 2693481), (12, 1795654), (14, 1539132), (21, 1026088), (24, 897827), (28, 769566), (42, 513044), (49, 439752), (56, 384783), (73, 295176), (84, 256522), (98, 219876), (146, 147588), (147, 146584), (168, 128261), (196, 109938), (219, 98392), (251, 85848), (292, 73794), (294, 73292), (392, 54969), (438, 49196), (502, 42924), (511, 42168), (584, 36897), (588, 36646), (753, 28616), (876, 24598), (1004, 21462), (1022, 21084), (1176, 18323), (1506, 14308), (1533, 14056), (1752, 12299), (1757, 12264), (2008, 10731), (2044, 10542), (3012, 7154), (3066, 7028), (3514, 6132), (3577, 6024), (4088, 5271)]