21106113

素因数分解:

$3^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{4951}}^1$

素因数の和:4997

約数の個数: 24

約数和(自身を含む): 33871680

約数和(自身を除く): 12765567

約数列:

[1, 3, 7, 21, 29, 49, 87, 147, 203, 609, 1421, 4263, 4951, 14853, 34657, 103971, 143579, 242599, 430737, 727797, 1005053, 3015159, 7035371, 21106113]

約数ペア:

[(1, 21106113), (3, 7035371), (7, 3015159), (21, 1005053), (29, 727797), (49, 430737), (87, 242599), (147, 143579), (203, 103971), (609, 34657), (1421, 14853), (4263, 4951)]