21885364221

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{405037}}^1$

素因数の和:405161

約数の個数: 32

約数和(自身を含む): 34839748608

約数和(自身を除く): 12954384387

約数列:

[1, 3, 7, 21, 31, 83, 93, 217, 249, 581, 651, 1743, 2573, 7719, 18011, 54033, 405037, 1215111, 2835259, 8505777, 12556147, 33618071, 37668441, 87893029, 100854213, 235326497, 263679087, 705979491, 1042160201, 3126480603, 7295121407, 21885364221]

約数ペア:

[(1, 21885364221), (3, 7295121407), (7, 3126480603), (21, 1042160201), (31, 705979491), (83, 263679087), (93, 235326497), (217, 100854213), (249, 87893029), (581, 37668441), (651, 33618071), (1743, 12556147), (2573, 8505777), (7719, 2835259), (18011, 1215111), (54033, 405037)]