21015672

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{2711}}^1$

素因数の和:2756

約数の個数: 64

約数和(自身を含む): 58579200

約数和(自身を除く): 37563528

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 19, 24, 34, 38, 51, 57, 68, 76, 102, 114, 136, 152, 204, 228, 323, 408, 456, 646, 969, 1292, 1938, 2584, 2711, 3876, 5422, 7752, 8133, 10844, 16266, 21688, 32532, 46087, 51509, 65064, 92174, 103018, 138261, 154527, 184348, 206036, 276522, 309054, 368696, 412072, 553044, 618108, 875653, 1106088, 1236216, 1751306, 2626959, 3502612, 5253918, 7005224, 10507836, 21015672]

約数ペア:

[(1, 21015672), (2, 10507836), (3, 7005224), (4, 5253918), (6, 3502612), (8, 2626959), (12, 1751306), (17, 1236216), (19, 1106088), (24, 875653), (34, 618108), (38, 553044), (51, 412072), (57, 368696), (68, 309054), (76, 276522), (102, 206036), (114, 184348), (136, 154527), (152, 138261), (204, 103018), (228, 92174), (323, 65064), (408, 51509), (456, 46087), (646, 32532), (969, 21688), (1292, 16266), (1938, 10844), (2584, 8133), (2711, 7752), (3876, 5422)]