21202128

素因数分解:

$2^4\times 3^3\times {\mathrm{17}}^1\times {\mathrm{2887}}^1$

素因数の和:2921

約数の個数: 80

約数和(自身を含む): 64460160

約数和(自身を除く): 43258032

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 24, 27, 34, 36, 48, 51, 54, 68, 72, 102, 108, 136, 144, 153, 204, 216, 272, 306, 408, 432, 459, 612, 816, 918, 1224, 1836, 2448, 2887, 3672, 5774, 7344, 8661, 11548, 17322, 23096, 25983, 34644, 46192, 49079, 51966, 69288, 77949, 98158, 103932, 138576, 147237, 155898, 196316, 207864, 294474, 311796, 392632, 415728, 441711, 588948, 623592, 785264, 883422, 1177896, 1247184, 1325133, 1766844, 2355792, 2650266, 3533688, 5300532, 7067376, 10601064, 21202128]

約数ペア:

[(1, 21202128), (2, 10601064), (3, 7067376), (4, 5300532), (6, 3533688), (8, 2650266), (9, 2355792), (12, 1766844), (16, 1325133), (17, 1247184), (18, 1177896), (24, 883422), (27, 785264), (34, 623592), (36, 588948), (48, 441711), (51, 415728), (54, 392632), (68, 311796), (72, 294474), (102, 207864), (108, 196316), (136, 155898), (144, 147237), (153, 138576), (204, 103932), (216, 98158), (272, 77949), (306, 69288), (408, 51966), (432, 49079), (459, 46192), (612, 34644), (816, 25983), (918, 23096), (1224, 17322), (1836, 11548), (2448, 8661), (2887, 7344), (3672, 5774)]