2021160852

素因数分解:

$2^2\times 3^2\times {\mathrm{157}}^1\times {\mathrm{541}}^1\times {\mathrm{661}}^1$

素因数の和:1369

約数の個数: 72

約数和(自身を含む): 5158883912

約数和(自身を除く): 3137723060

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 157, 314, 471, 541, 628, 661, 942, 1082, 1322, 1413, 1623, 1884, 1983, 2164, 2644, 2826, 3246, 3966, 4869, 5652, 5949, 6492, 7932, 9738, 11898, 19476, 23796, 84937, 103777, 169874, 207554, 254811, 311331, 339748, 357601, 415108, 509622, 622662, 715202, 764433, 933993, 1019244, 1072803, 1245324, 1430404, 1528866, 1867986, 2145606, 3057732, 3218409, 3735972, 4291212, 6436818, 12873636, 56143357, 112286714, 168430071, 224573428, 336860142, 505290213, 673720284, 1010580426, 2021160852]

約数ペア:

[(1, 2021160852), (2, 1010580426), (3, 673720284), (4, 505290213), (6, 336860142), (9, 224573428), (12, 168430071), (18, 112286714), (36, 56143357), (157, 12873636), (314, 6436818), (471, 4291212), (541, 3735972), (628, 3218409), (661, 3057732), (942, 2145606), (1082, 1867986), (1322, 1528866), (1413, 1430404), (1623, 1245324), (1884, 1072803), (1983, 1019244), (2164, 933993), (2644, 764433), (2826, 715202), (3246, 622662), (3966, 509622), (4869, 415108), (5652, 357601), (5949, 339748), (6492, 311331), (7932, 254811), (9738, 207554), (11898, 169874), (19476, 103777), (23796, 84937)]