21882380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{84163}}^1$

素因数の和:84185

約数の個数: 24

約数和(自身を含む): 49488432

約数和(自身を除く): 27606052

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 84163, 168326, 336652, 420815, 841630, 1094119, 1683260, 2188238, 4376476, 5470595, 10941190, 21882380]

約数ペア:

[(1, 21882380), (2, 10941190), (4, 5470595), (5, 4376476), (10, 2188238), (13, 1683260), (20, 1094119), (26, 841630), (52, 420815), (65, 336652), (130, 168326), (260, 84163)]