21205962

素因数分解:

$2^1\times 3^4\times {\mathrm{223}}^1\times {\mathrm{587}}^1$

素因数の和:824

約数の個数: 40

約数和(自身を含む): 47811456

約数和(自身を除く): 26605494

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 223, 446, 587, 669, 1174, 1338, 1761, 2007, 3522, 4014, 5283, 6021, 10566, 12042, 15849, 18063, 31698, 36126, 47547, 95094, 130901, 261802, 392703, 785406, 1178109, 2356218, 3534327, 7068654, 10602981, 21205962]

約数ペア:

[(1, 21205962), (2, 10602981), (3, 7068654), (6, 3534327), (9, 2356218), (18, 1178109), (27, 785406), (54, 392703), (81, 261802), (162, 130901), (223, 95094), (446, 47547), (587, 36126), (669, 31698), (1174, 18063), (1338, 15849), (1761, 12042), (2007, 10566), (3522, 6021), (4014, 5283)]