21916083

素因数分解:

$3^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{97}}^1$

素因数の和:196

約数の個数: 48

約数和(自身を含む): 36197280

約数和(自身を除く): 14281197

約数列:

[1, 3, 7, 21, 29, 49, 53, 87, 97, 147, 159, 203, 291, 371, 609, 679, 1113, 1421, 1537, 2037, 2597, 2813, 4263, 4611, 4753, 5141, 7791, 8439, 10759, 14259, 15423, 19691, 32277, 35987, 59073, 75313, 107961, 137837, 149089, 225939, 251909, 413511, 447267, 755727, 1043623, 3130869, 7305361, 21916083]

約数ペア:

[(1, 21916083), (3, 7305361), (7, 3130869), (21, 1043623), (29, 755727), (49, 447267), (53, 413511), (87, 251909), (97, 225939), (147, 149089), (159, 137837), (203, 107961), (291, 75313), (371, 59073), (609, 35987), (679, 32277), (1113, 19691), (1421, 15423), (1537, 14259), (2037, 10759), (2597, 8439), (2813, 7791), (4263, 5141), (4611, 4753)]