21951844

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{179}}^1$

素因数の和:280

約数の個数: 48

約数和(自身を含む): 42577920

約数和(自身を除く): 20626076

約数列:

[1, 2, 4, 23, 31, 43, 46, 62, 86, 92, 124, 172, 179, 358, 713, 716, 989, 1333, 1426, 1978, 2666, 2852, 3956, 4117, 5332, 5549, 7697, 8234, 11098, 15394, 16468, 22196, 30659, 30788, 61318, 122636, 127627, 177031, 238607, 255254, 354062, 477214, 510508, 708124, 954428, 5487961, 10975922, 21951844]

約数ペア:

[(1, 21951844), (2, 10975922), (4, 5487961), (23, 954428), (31, 708124), (43, 510508), (46, 477214), (62, 354062), (86, 255254), (92, 238607), (124, 177031), (172, 127627), (179, 122636), (358, 61318), (713, 30788), (716, 30659), (989, 22196), (1333, 16468), (1426, 15394), (1978, 11098), (2666, 8234), (2852, 7697), (3956, 5549), (4117, 5332)]