21167177278

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{911671}}^1$

素因数の和:911752

約数の個数: 32

約数和(自身を含む): 36758615040

約数和(自身を除く): 15591437762

約数列:

[1, 2, 13, 19, 26, 38, 47, 94, 247, 494, 611, 893, 1222, 1786, 11609, 23218, 911671, 1823342, 11851723, 17321749, 23703446, 34643498, 42848537, 85697074, 225182737, 450365474, 557030981, 814122203, 1114061962, 1628244406, 10583588639, 21167177278]

約数ペア:

[(1, 21167177278), (2, 10583588639), (13, 1628244406), (19, 1114061962), (26, 814122203), (38, 557030981), (47, 450365474), (94, 225182737), (247, 85697074), (494, 42848537), (611, 34643498), (893, 23703446), (1222, 17321749), (1786, 11851723), (11609, 1823342), (23218, 911671)]