21900052

素因数分解:

$2^2\times {\mathrm{89}}^1\times {\mathrm{227}}^1\times {\mathrm{271}}^1$

素因数の和:591

約数の個数: 24

約数和(自身を含む): 39070080

約数和(自身を除く): 17170028

約数列:

[1, 2, 4, 89, 178, 227, 271, 356, 454, 542, 908, 1084, 20203, 24119, 40406, 48238, 61517, 80812, 96476, 123034, 246068, 5475013, 10950026, 21900052]

約数ペア:

[(1, 21900052), (2, 10950026), (4, 5475013), (89, 246068), (178, 123034), (227, 96476), (271, 80812), (356, 61517), (454, 48238), (542, 40406), (908, 24119), (1084, 20203)]