21998112

素因数分解:

$2^5\times 3^1\times {\mathrm{43}}^1\times {\mathrm{73}}^2$

素因数の和:202

約数の個数: 72

約数和(自身を含む): 59908464

約数和(自身を除く): 37910352

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 43, 48, 73, 86, 96, 129, 146, 172, 219, 258, 292, 344, 438, 516, 584, 688, 876, 1032, 1168, 1376, 1752, 2064, 2336, 3139, 3504, 4128, 5329, 6278, 7008, 9417, 10658, 12556, 15987, 18834, 21316, 25112, 31974, 37668, 42632, 50224, 63948, 75336, 85264, 100448, 127896, 150672, 170528, 229147, 255792, 301344, 458294, 511584, 687441, 916588, 1374882, 1833176, 2749764, 3666352, 5499528, 7332704, 10999056, 21998112]

約数ペア:

[(1, 21998112), (2, 10999056), (3, 7332704), (4, 5499528), (6, 3666352), (8, 2749764), (12, 1833176), (16, 1374882), (24, 916588), (32, 687441), (43, 511584), (48, 458294), (73, 301344), (86, 255792), (96, 229147), (129, 170528), (146, 150672), (172, 127896), (219, 100448), (258, 85264), (292, 75336), (344, 63948), (438, 50224), (516, 42632), (584, 37668), (688, 31974), (876, 25112), (1032, 21316), (1168, 18834), (1376, 15987), (1752, 12556), (2064, 10658), (2336, 9417), (3139, 7008), (3504, 6278), (4128, 5329)]