21374535

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{2237}}^1$

素因数の和:2272

約数の個数: 48

約数和(自身を含む): 42862176

約数和(自身を除く): 21487641

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 49, 65, 91, 105, 147, 195, 245, 273, 455, 637, 735, 1365, 1911, 2237, 3185, 6711, 9555, 11185, 15659, 29081, 33555, 46977, 78295, 87243, 109613, 145405, 203567, 234885, 328839, 436215, 548065, 610701, 1017835, 1424969, 1644195, 3053505, 4274907, 7124845, 21374535]

約数ペア:

[(1, 21374535), (3, 7124845), (5, 4274907), (7, 3053505), (13, 1644195), (15, 1424969), (21, 1017835), (35, 610701), (39, 548065), (49, 436215), (65, 328839), (91, 234885), (105, 203567), (147, 145405), (195, 109613), (245, 87243), (273, 78295), (455, 46977), (637, 33555), (735, 29081), (1365, 15659), (1911, 11185), (2237, 9555), (3185, 6711)]