21361890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{3407}}^1$

素因数の和:3447

約数の個数: 64

約数和(自身を含む): 58890240

約数和(自身を除く): 37528350

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 19, 22, 30, 33, 38, 55, 57, 66, 95, 110, 114, 165, 190, 209, 285, 330, 418, 570, 627, 1045, 1254, 2090, 3135, 3407, 6270, 6814, 10221, 17035, 20442, 34070, 37477, 51105, 64733, 74954, 102210, 112431, 129466, 187385, 194199, 224862, 323665, 374770, 388398, 562155, 647330, 712063, 970995, 1124310, 1424126, 1941990, 2136189, 3560315, 4272378, 7120630, 10680945, 21361890]

約数ペア:

[(1, 21361890), (2, 10680945), (3, 7120630), (5, 4272378), (6, 3560315), (10, 2136189), (11, 1941990), (15, 1424126), (19, 1124310), (22, 970995), (30, 712063), (33, 647330), (38, 562155), (55, 388398), (57, 374770), (66, 323665), (95, 224862), (110, 194199), (114, 187385), (165, 129466), (190, 112431), (209, 102210), (285, 74954), (330, 64733), (418, 51105), (570, 37477), (627, 34070), (1045, 20442), (1254, 17035), (2090, 10221), (3135, 6814), (3407, 6270)]