21432530

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{223}}^1\times {\mathrm{1373}}^1$

素因数の和:1610

約数の個数: 32

約数和(自身を含む): 44319744

約数和(自身を除く): 22887214

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 223, 446, 1115, 1373, 1561, 2230, 2746, 3122, 6865, 7805, 9611, 13730, 15610, 19222, 48055, 96110, 306179, 612358, 1530895, 2143253, 3061790, 4286506, 10716265, 21432530]

約数ペア:

[(1, 21432530), (2, 10716265), (5, 4286506), (7, 3061790), (10, 2143253), (14, 1530895), (35, 612358), (70, 306179), (223, 96110), (446, 48055), (1115, 19222), (1373, 15610), (1561, 13730), (2230, 9611), (2746, 7805), (3122, 6865)]