21108654

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{55843}}^1$

素因数の和:55861

約数の個数: 32

約数和(自身を含む): 53610240

約数和(自身を除く): 32501586

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 378, 55843, 111686, 167529, 335058, 390901, 502587, 781802, 1005174, 1172703, 1507761, 2345406, 3015522, 3518109, 7036218, 10554327, 21108654]

約数ペア:

[(1, 21108654), (2, 10554327), (3, 7036218), (6, 3518109), (7, 3015522), (9, 2345406), (14, 1507761), (18, 1172703), (21, 1005174), (27, 781802), (42, 502587), (54, 390901), (63, 335058), (126, 167529), (189, 111686), (378, 55843)]