21688681728

素因数分解:

$2^8\times 3^1\times 7^1\times {\mathrm{4034353}}^1$

素因数の和:4034379

約数の個数: 72

約数和(自身を含む): 65969756608

約数和(自身を除く): 44281074880

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 64, 84, 96, 112, 128, 168, 192, 224, 256, 336, 384, 448, 672, 768, 896, 1344, 1792, 2688, 5376, 4034353, 8068706, 12103059, 16137412, 24206118, 28240471, 32274824, 48412236, 56480942, 64549648, 84721413, 96824472, 112961884, 129099296, 169442826, 193648944, 225923768, 258198592, 338885652, 387297888, 451847536, 516397184, 677771304, 774595776, 903695072, 1032794368, 1355542608, 1549191552, 1807390144, 2711085216, 3098383104, 3614780288, 5422170432, 7229560576, 10844340864, 21688681728]

約数ペア:

[(1, 21688681728), (2, 10844340864), (3, 7229560576), (4, 5422170432), (6, 3614780288), (7, 3098383104), (8, 2711085216), (12, 1807390144), (14, 1549191552), (16, 1355542608), (21, 1032794368), (24, 903695072), (28, 774595776), (32, 677771304), (42, 516397184), (48, 451847536), (56, 387297888), (64, 338885652), (84, 258198592), (96, 225923768), (112, 193648944), (128, 169442826), (168, 129099296), (192, 112961884), (224, 96824472), (256, 84721413), (336, 64549648), (384, 56480942), (448, 48412236), (672, 32274824), (768, 28240471), (896, 24206118), (1344, 16137412), (1792, 12103059), (2688, 8068706), (5376, 4034353)]