21264588

素因数分解:

$2^2\times 3^2\times {\mathrm{79}}^1\times {\mathrm{7477}}^1$

素因数の和:7566

約数の個数: 36

約数和(自身を含む): 54439840

約数和(自身を除く): 33175252

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 79, 158, 237, 316, 474, 711, 948, 1422, 2844, 7477, 14954, 22431, 29908, 44862, 67293, 89724, 134586, 269172, 590683, 1181366, 1772049, 2362732, 3544098, 5316147, 7088196, 10632294, 21264588]

約数ペア:

[(1, 21264588), (2, 10632294), (3, 7088196), (4, 5316147), (6, 3544098), (9, 2362732), (12, 1772049), (18, 1181366), (36, 590683), (79, 269172), (158, 134586), (237, 89724), (316, 67293), (474, 44862), (711, 29908), (948, 22431), (1422, 14954), (2844, 7477)]