21038112

素因数分解:

$2^5\times 3^2\times {\mathrm{17}}^1\times {\mathrm{4297}}^1$

素因数の和:4330

約数の個数: 72

約数和(自身を含む): 63361116

約数和(自身を除く): 42323004

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 24, 32, 34, 36, 48, 51, 68, 72, 96, 102, 136, 144, 153, 204, 272, 288, 306, 408, 544, 612, 816, 1224, 1632, 2448, 4297, 4896, 8594, 12891, 17188, 25782, 34376, 38673, 51564, 68752, 73049, 77346, 103128, 137504, 146098, 154692, 206256, 219147, 292196, 309384, 412512, 438294, 584392, 618768, 657441, 876588, 1168784, 1237536, 1314882, 1753176, 2337568, 2629764, 3506352, 5259528, 7012704, 10519056, 21038112]

約数ペア:

[(1, 21038112), (2, 10519056), (3, 7012704), (4, 5259528), (6, 3506352), (8, 2629764), (9, 2337568), (12, 1753176), (16, 1314882), (17, 1237536), (18, 1168784), (24, 876588), (32, 657441), (34, 618768), (36, 584392), (48, 438294), (51, 412512), (68, 309384), (72, 292196), (96, 219147), (102, 206256), (136, 154692), (144, 146098), (153, 137504), (204, 103128), (272, 77346), (288, 73049), (306, 68752), (408, 51564), (544, 38673), (612, 34376), (816, 25782), (1224, 17188), (1632, 12891), (2448, 8594), (4297, 4896)]