21097428

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{277}}^1\times {\mathrm{577}}^1$

素因数の和:872

約数の個数: 48

約数和(自身を含む): 53989824

約数和(自身を除く): 32892396

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 132, 277, 554, 577, 831, 1108, 1154, 1662, 1731, 2308, 3047, 3324, 3462, 6094, 6347, 6924, 9141, 12188, 12694, 18282, 19041, 25388, 36564, 38082, 76164, 159829, 319658, 479487, 639316, 958974, 1758119, 1917948, 3516238, 5274357, 7032476, 10548714, 21097428]

約数ペア:

[(1, 21097428), (2, 10548714), (3, 7032476), (4, 5274357), (6, 3516238), (11, 1917948), (12, 1758119), (22, 958974), (33, 639316), (44, 479487), (66, 319658), (132, 159829), (277, 76164), (554, 38082), (577, 36564), (831, 25388), (1108, 19041), (1154, 18282), (1662, 12694), (1731, 12188), (2308, 9141), (3047, 6924), (3324, 6347), (3462, 6094)]