21360050

素因数分解:

$2^1\times 5^2\times {\mathrm{83}}^1\times {\mathrm{5147}}^1$

素因数の和:5242

約数の個数: 24

約数和(自身を含む): 40216176

約数和(自身を除く): 18856126

約数列:

[1, 2, 5, 10, 25, 50, 83, 166, 415, 830, 2075, 4150, 5147, 10294, 25735, 51470, 128675, 257350, 427201, 854402, 2136005, 4272010, 10680025, 21360050]

約数ペア:

[(1, 21360050), (2, 10680025), (5, 4272010), (10, 2136005), (25, 854402), (50, 427201), (83, 257350), (166, 128675), (415, 51470), (830, 25735), (2075, 10294), (4150, 5147)]