21863530

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{761}}^1$

素因数の和:811

約数の個数: 48

約数和(自身を含む): 45180504

約数和(自身を除く): 23316974

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 130, 169, 170, 221, 338, 442, 761, 845, 1105, 1522, 1690, 2210, 2873, 3805, 5746, 7610, 9893, 12937, 14365, 19786, 25874, 28730, 49465, 64685, 98930, 128609, 129370, 168181, 257218, 336362, 643045, 840905, 1286090, 1681810, 2186353, 4372706, 10931765, 21863530]

約数ペア:

[(1, 21863530), (2, 10931765), (5, 4372706), (10, 2186353), (13, 1681810), (17, 1286090), (26, 840905), (34, 643045), (65, 336362), (85, 257218), (130, 168181), (169, 129370), (170, 128609), (221, 98930), (338, 64685), (442, 49465), (761, 28730), (845, 25874), (1105, 19786), (1522, 14365), (1690, 12937), (2210, 9893), (2873, 7610), (3805, 5746)]