21303186

素因数分解:

$2^1\times 3^1\times {\mathrm{67}}^1\times {\mathrm{197}}^1\times {\mathrm{269}}^1$

素因数の和:538

約数の個数: 32

約数和(自身を含む): 43623360

約数和(自身を除く): 22320174

約数列:

[1, 2, 3, 6, 67, 134, 197, 201, 269, 394, 402, 538, 591, 807, 1182, 1614, 13199, 18023, 26398, 36046, 39597, 52993, 54069, 79194, 105986, 108138, 158979, 317958, 3550531, 7101062, 10651593, 21303186]

約数ペア:

[(1, 21303186), (2, 10651593), (3, 7101062), (6, 3550531), (67, 317958), (134, 158979), (197, 108138), (201, 105986), (269, 79194), (394, 54069), (402, 52993), (538, 39597), (591, 36046), (807, 26398), (1182, 18023), (1614, 13199)]