21740190

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{8731}}^1$

素因数の和:8824

約数の個数: 32

約数和(自身を含む): 52811136

約数和(自身を除く): 31070946

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 83, 166, 249, 415, 498, 830, 1245, 2490, 8731, 17462, 26193, 43655, 52386, 87310, 130965, 261930, 724673, 1449346, 2174019, 3623365, 4348038, 7246730, 10870095, 21740190]

約数ペア:

[(1, 21740190), (2, 10870095), (3, 7246730), (5, 4348038), (6, 3623365), (10, 2174019), (15, 1449346), (30, 724673), (83, 261930), (166, 130965), (249, 87310), (415, 52386), (498, 43655), (830, 26193), (1245, 17462), (2490, 8731)]