21889244

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{10267}}^1$

素因数の和:10325

約数の個数: 24

約数和(自身を含む): 42263088

約数和(自身を除く): 20373844

約数列:

[1, 2, 4, 13, 26, 41, 52, 82, 164, 533, 1066, 2132, 10267, 20534, 41068, 133471, 266942, 420947, 533884, 841894, 1683788, 5472311, 10944622, 21889244]

約数ペア:

[(1, 21889244), (2, 10944622), (4, 5472311), (13, 1683788), (26, 841894), (41, 533884), (52, 420947), (82, 266942), (164, 133471), (533, 41068), (1066, 20534), (2132, 10267)]