21353687565

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{443}}^1\times {\mathrm{4457}}^1$

素因数の和:5018

約数の個数: 64

約数和(自身を含む): 39523700736

約数和(自身を除く): 18170013171

約数列:

[1, 3, 5, 7, 15, 21, 35, 103, 105, 309, 443, 515, 721, 1329, 1545, 2163, 2215, 3101, 3605, 4457, 6645, 9303, 10815, 13371, 15505, 22285, 31199, 45629, 46515, 66855, 93597, 136887, 155995, 228145, 319403, 459071, 467985, 684435, 958209, 1377213, 1597015, 1974451, 2295355, 3213497, 4791045, 5923353, 6886065, 9640491, 9872255, 13821157, 16067485, 29616765, 41463471, 48202455, 69105785, 203368453, 207317355, 610105359, 1016842265, 1423579171, 3050526795, 4270737513, 7117895855, 21353687565]

約数ペア:

[(1, 21353687565), (3, 7117895855), (5, 4270737513), (7, 3050526795), (15, 1423579171), (21, 1016842265), (35, 610105359), (103, 207317355), (105, 203368453), (309, 69105785), (443, 48202455), (515, 41463471), (721, 29616765), (1329, 16067485), (1545, 13821157), (2163, 9872255), (2215, 9640491), (3101, 6886065), (3605, 5923353), (4457, 4791045), (6645, 3213497), (9303, 2295355), (10815, 1974451), (13371, 1597015), (15505, 1377213), (22285, 958209), (31199, 684435), (45629, 467985), (46515, 459071), (66855, 319403), (93597, 228145), (136887, 155995)]