21131532

素因数分解:

$2^2\times 3^2\times {\mathrm{67}}^1\times {\mathrm{8761}}^1$

素因数の和:8838

約数の個数: 36

約数和(自身を含む): 54219256

約数和(自身を除く): 33087724

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 67, 134, 201, 268, 402, 603, 804, 1206, 2412, 8761, 17522, 26283, 35044, 52566, 78849, 105132, 157698, 315396, 586987, 1173974, 1760961, 2347948, 3521922, 5282883, 7043844, 10565766, 21131532]

約数ペア:

[(1, 21131532), (2, 10565766), (3, 7043844), (4, 5282883), (6, 3521922), (9, 2347948), (12, 1760961), (18, 1173974), (36, 586987), (67, 315396), (134, 157698), (201, 105132), (268, 78849), (402, 52566), (603, 35044), (804, 26283), (1206, 17522), (2412, 8761)]