21194082

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{227}}^1$

素因数の和:277

約数の個数: 128

約数和(自身を含む): 61286400

約数和(自身を除く): 40092318

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 19, 21, 26, 27, 38, 39, 42, 54, 57, 63, 78, 91, 114, 117, 126, 133, 171, 182, 189, 227, 234, 247, 266, 273, 342, 351, 378, 399, 454, 494, 513, 546, 681, 702, 741, 798, 819, 1026, 1197, 1362, 1482, 1589, 1638, 1729, 2043, 2223, 2394, 2457, 2951, 3178, 3458, 3591, 4086, 4313, 4446, 4767, 4914, 5187, 5902, 6129, 6669, 7182, 8626, 8853, 9534, 10374, 12258, 12939, 13338, 14301, 15561, 17706, 20657, 25878, 26559, 28602, 30191, 31122, 38817, 41314, 42903, 46683, 53118, 56069, 60382, 61971, 77634, 79677, 85806, 90573, 93366, 112138, 116451, 123942, 159354, 168207, 181146, 185913, 232902, 271719, 336414, 371826, 392483, 504621, 543438, 557739, 784966, 815157, 1009242, 1115478, 1177449, 1513863, 1630314, 2354898, 3027726, 3532347, 7064694, 10597041, 21194082]

約数ペア:

[(1, 21194082), (2, 10597041), (3, 7064694), (6, 3532347), (7, 3027726), (9, 2354898), (13, 1630314), (14, 1513863), (18, 1177449), (19, 1115478), (21, 1009242), (26, 815157), (27, 784966), (38, 557739), (39, 543438), (42, 504621), (54, 392483), (57, 371826), (63, 336414), (78, 271719), (91, 232902), (114, 185913), (117, 181146), (126, 168207), (133, 159354), (171, 123942), (182, 116451), (189, 112138), (227, 93366), (234, 90573), (247, 85806), (266, 79677), (273, 77634), (342, 61971), (351, 60382), (378, 56069), (399, 53118), (454, 46683), (494, 42903), (513, 41314), (546, 38817), (681, 31122), (702, 30191), (741, 28602), (798, 26559), (819, 25878), (1026, 20657), (1197, 17706), (1362, 15561), (1482, 14301), (1589, 13338), (1638, 12939), (1729, 12258), (2043, 10374), (2223, 9534), (2394, 8853), (2457, 8626), (2951, 7182), (3178, 6669), (3458, 6129), (3591, 5902), (4086, 5187), (4313, 4914), (4446, 4767)]