21267816190

素因数分解:

$2^1\times 5^1\times {\mathrm{379}}^1\times {\mathrm{2141}}^1\times {\mathrm{2621}}^1$

素因数の和:5148

約数の個数: 32

約数和(自身を含む): 38415656160

約数和(自身を除く): 17147839970

約数列:

[1, 2, 5, 10, 379, 758, 1895, 2141, 2621, 3790, 4282, 5242, 10705, 13105, 21410, 26210, 811439, 993359, 1622878, 1986718, 4057195, 4966795, 5611561, 8114390, 9933590, 11223122, 28057805, 56115610, 2126781619, 4253563238, 10633908095, 21267816190]

約数ペア:

[(1, 21267816190), (2, 10633908095), (5, 4253563238), (10, 2126781619), (379, 56115610), (758, 28057805), (1895, 11223122), (2141, 9933590), (2621, 8114390), (3790, 5611561), (4282, 4966795), (5242, 4057195), (10705, 1986718), (13105, 1622878), (21410, 993359), (26210, 811439)]