21674510

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{659}}^1$

素因数の和:713

約数の個数: 64

約数和(自身を含む): 47900160

約数和(自身を除く): 26225650

約数列:

[1, 2, 5, 10, 11, 13, 22, 23, 26, 46, 55, 65, 110, 115, 130, 143, 230, 253, 286, 299, 506, 598, 659, 715, 1265, 1318, 1430, 1495, 2530, 2990, 3289, 3295, 6578, 6590, 7249, 8567, 14498, 15157, 16445, 17134, 30314, 32890, 36245, 42835, 72490, 75785, 85670, 94237, 151570, 166727, 188474, 197041, 333454, 394082, 471185, 833635, 942370, 985205, 1667270, 1970410, 2167451, 4334902, 10837255, 21674510]

約数ペア:

[(1, 21674510), (2, 10837255), (5, 4334902), (10, 2167451), (11, 1970410), (13, 1667270), (22, 985205), (23, 942370), (26, 833635), (46, 471185), (55, 394082), (65, 333454), (110, 197041), (115, 188474), (130, 166727), (143, 151570), (230, 94237), (253, 85670), (286, 75785), (299, 72490), (506, 42835), (598, 36245), (659, 32890), (715, 30314), (1265, 17134), (1318, 16445), (1430, 15157), (1495, 14498), (2530, 8567), (2990, 7249), (3289, 6590), (3295, 6578)]