21739914

素因数分解:

$2^1\times 3^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1009}}^1$

素因数の和:1049

約数の個数: 80

約数和(自身を含む): 58660800

約数和(自身を除く): 36920886

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 19, 21, 27, 38, 42, 54, 57, 63, 81, 114, 126, 133, 162, 171, 189, 266, 342, 378, 399, 513, 567, 798, 1009, 1026, 1134, 1197, 1539, 2018, 2394, 3027, 3078, 3591, 6054, 7063, 7182, 9081, 10773, 14126, 18162, 19171, 21189, 21546, 27243, 38342, 42378, 54486, 57513, 63567, 81729, 115026, 127134, 134197, 163458, 172539, 190701, 268394, 345078, 381402, 402591, 517617, 572103, 805182, 1035234, 1144206, 1207773, 1552851, 2415546, 3105702, 3623319, 7246638, 10869957, 21739914]

約数ペア:

[(1, 21739914), (2, 10869957), (3, 7246638), (6, 3623319), (7, 3105702), (9, 2415546), (14, 1552851), (18, 1207773), (19, 1144206), (21, 1035234), (27, 805182), (38, 572103), (42, 517617), (54, 402591), (57, 381402), (63, 345078), (81, 268394), (114, 190701), (126, 172539), (133, 163458), (162, 134197), (171, 127134), (189, 115026), (266, 81729), (342, 63567), (378, 57513), (399, 54486), (513, 42378), (567, 38342), (798, 27243), (1009, 21546), (1026, 21189), (1134, 19171), (1197, 18162), (1539, 14126), (2018, 10773), (2394, 9081), (3027, 7182), (3078, 7063), (3591, 6054)]