21397556136

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{2190577}}^1$

素因数の和:2190634

約数の個数: 64

約数和(自身を含む): 59934214080

約数和(自身を除く): 38536657944

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 37, 44, 66, 74, 88, 111, 132, 148, 222, 264, 296, 407, 444, 814, 888, 1221, 1628, 2442, 3256, 4884, 9768, 2190577, 4381154, 6571731, 8762308, 13143462, 17524616, 24096347, 26286924, 48192694, 52573848, 72289041, 81051349, 96385388, 144578082, 162102698, 192770776, 243154047, 289156164, 324205396, 486308094, 578312328, 648410792, 891564839, 972616188, 1783129678, 1945232376, 2674694517, 3566259356, 5349389034, 7132518712, 10698778068, 21397556136]

約数ペア:

[(1, 21397556136), (2, 10698778068), (3, 7132518712), (4, 5349389034), (6, 3566259356), (8, 2674694517), (11, 1945232376), (12, 1783129678), (22, 972616188), (24, 891564839), (33, 648410792), (37, 578312328), (44, 486308094), (66, 324205396), (74, 289156164), (88, 243154047), (111, 192770776), (132, 162102698), (148, 144578082), (222, 96385388), (264, 81051349), (296, 72289041), (407, 52573848), (444, 48192694), (814, 26286924), (888, 24096347), (1221, 17524616), (1628, 13143462), (2442, 8762308), (3256, 6571731), (4884, 4381154), (9768, 2190577)]