21954738

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{1627}}^1$

素因数の和:1818

約数の個数: 32

約数和(自身を含む): 47589696

約数和(自身を除く): 25634958

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 173, 346, 519, 1038, 1627, 2249, 3254, 4498, 4881, 6747, 9762, 13494, 21151, 42302, 63453, 126906, 281471, 562942, 844413, 1688826, 3659123, 7318246, 10977369, 21954738]

約数ペア:

[(1, 21954738), (2, 10977369), (3, 7318246), (6, 3659123), (13, 1688826), (26, 844413), (39, 562942), (78, 281471), (173, 126906), (346, 63453), (519, 42302), (1038, 21151), (1627, 13494), (2249, 9762), (3254, 6747), (4498, 4881)]