21954478

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{1699}}^1$

素因数の和:1792

約数の個数: 32

約数和(自身を含む): 41126400

約数和(自身を除く): 19171922

約数列:

[1, 2, 7, 13, 14, 26, 71, 91, 142, 182, 497, 923, 994, 1699, 1846, 3398, 6461, 11893, 12922, 22087, 23786, 44174, 120629, 154609, 241258, 309218, 844403, 1568177, 1688806, 3136354, 10977239, 21954478]

約数ペア:

[(1, 21954478), (2, 10977239), (7, 3136354), (13, 1688806), (14, 1568177), (26, 844403), (71, 309218), (91, 241258), (142, 154609), (182, 120629), (497, 44174), (923, 23786), (994, 22087), (1699, 12922), (1846, 11893), (3398, 6461)]