21849597

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{769}}^1$

素因数の和:834

約数の個数: 48

約数和(自身を含む): 40360320

約数和(自身を除く): 18510723

約数列:

[1, 3, 7, 9, 11, 21, 33, 41, 63, 77, 99, 123, 231, 287, 369, 451, 693, 769, 861, 1353, 2307, 2583, 3157, 4059, 5383, 6921, 8459, 9471, 16149, 25377, 28413, 31529, 48447, 59213, 76131, 94587, 177639, 220703, 283761, 346819, 532917, 662109, 1040457, 1986327, 2427733, 3121371, 7283199, 21849597]

約数ペア:

[(1, 21849597), (3, 7283199), (7, 3121371), (9, 2427733), (11, 1986327), (21, 1040457), (33, 662109), (41, 532917), (63, 346819), (77, 283761), (99, 220703), (123, 177639), (231, 94587), (287, 76131), (369, 59213), (451, 48447), (693, 31529), (769, 28413), (861, 25377), (1353, 16149), (2307, 9471), (2583, 8459), (3157, 6921), (4059, 5383)]