21435200

素因数分解:

$2^6\times 5^2\times {\mathrm{13397}}^1$

素因数の和:13419

約数の個数: 42

約数和(自身を含む): 52747926

約数和(自身を除く): 31312726

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 160, 200, 320, 400, 800, 1600, 13397, 26794, 53588, 66985, 107176, 133970, 214352, 267940, 334925, 428704, 535880, 669850, 857408, 1071760, 1339700, 2143520, 2679400, 4287040, 5358800, 10717600, 21435200]

約数ペア:

[(1, 21435200), (2, 10717600), (4, 5358800), (5, 4287040), (8, 2679400), (10, 2143520), (16, 1339700), (20, 1071760), (25, 857408), (32, 669850), (40, 535880), (50, 428704), (64, 334925), (80, 267940), (100, 214352), (160, 133970), (200, 107176), (320, 66985), (400, 53588), (800, 26794), (1600, 13397)]