21013794

素因数分解:

$2^1\times 3^2\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{421}}^1$

素因数の和:535

約数の個数: 48

約数和(自身を含む): 47399040

約数和(自身を除く): 26385246

約数列:

[1, 2, 3, 6, 9, 18, 47, 59, 94, 118, 141, 177, 282, 354, 421, 423, 531, 842, 846, 1062, 1263, 2526, 2773, 3789, 5546, 7578, 8319, 16638, 19787, 24839, 24957, 39574, 49678, 49914, 59361, 74517, 118722, 149034, 178083, 223551, 356166, 447102, 1167433, 2334866, 3502299, 7004598, 10506897, 21013794]

約数ペア:

[(1, 21013794), (2, 10506897), (3, 7004598), (6, 3502299), (9, 2334866), (18, 1167433), (47, 447102), (59, 356166), (94, 223551), (118, 178083), (141, 149034), (177, 118722), (282, 74517), (354, 59361), (421, 49914), (423, 49678), (531, 39574), (842, 24957), (846, 24839), (1062, 19787), (1263, 16638), (2526, 8319), (2773, 7578), (3789, 5546)]