21210012

素因数分解:

$2^2\times 3^5\times {\mathrm{21821}}^1$

素因数の和:21840

約数の個数: 36

約数和(自身を含む): 55602456

約数和(自身を除く): 34392444

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 243, 324, 486, 972, 21821, 43642, 65463, 87284, 130926, 196389, 261852, 392778, 589167, 785556, 1178334, 1767501, 2356668, 3535002, 5302503, 7070004, 10605006, 21210012]

約数ペア:

[(1, 21210012), (2, 10605006), (3, 7070004), (4, 5302503), (6, 3535002), (9, 2356668), (12, 1767501), (18, 1178334), (27, 785556), (36, 589167), (54, 392778), (81, 261852), (108, 196389), (162, 130926), (243, 87284), (324, 65463), (486, 43642), (972, 21821)]