21483345

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^2\times {\mathrm{131}}^1$

素因数の和:210

約数の個数: 48

約数和(自身を含む): 38630592

約数和(自身を除く): 17147247

約数列:

[1, 3, 5, 13, 15, 29, 39, 65, 87, 131, 145, 195, 377, 393, 435, 655, 841, 1131, 1703, 1885, 1965, 2523, 3799, 4205, 5109, 5655, 8515, 10933, 11397, 12615, 18995, 25545, 32799, 49387, 54665, 56985, 110171, 148161, 163995, 246935, 330513, 550855, 740805, 1432223, 1652565, 4296669, 7161115, 21483345]

約数ペア:

[(1, 21483345), (3, 7161115), (5, 4296669), (13, 1652565), (15, 1432223), (29, 740805), (39, 550855), (65, 330513), (87, 246935), (131, 163995), (145, 148161), (195, 110171), (377, 56985), (393, 54665), (435, 49387), (655, 32799), (841, 25545), (1131, 18995), (1703, 12615), (1885, 11397), (1965, 10933), (2523, 8515), (3799, 5655), (4205, 5109)]