21983040

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{449}}^1$

素因数の和:489

約数の個数: 168

約数和(自身を含む): 80238600

約数和(自身を除く): 58255560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 30, 32, 34, 36, 40, 45, 48, 51, 60, 64, 68, 72, 80, 85, 90, 96, 102, 120, 136, 144, 153, 160, 170, 180, 192, 204, 240, 255, 272, 288, 306, 320, 340, 360, 408, 449, 480, 510, 544, 576, 612, 680, 720, 765, 816, 898, 960, 1020, 1088, 1224, 1347, 1360, 1440, 1530, 1632, 1796, 2040, 2245, 2448, 2694, 2720, 2880, 3060, 3264, 3592, 4041, 4080, 4490, 4896, 5388, 5440, 6120, 6735, 7184, 7633, 8082, 8160, 8980, 9792, 10776, 12240, 13470, 14368, 15266, 16164, 16320, 17960, 20205, 21552, 22899, 24480, 26940, 28736, 30532, 32328, 35920, 38165, 40410, 43104, 45798, 48960, 53880, 61064, 64656, 68697, 71840, 76330, 80820, 86208, 91596, 107760, 114495, 122128, 129312, 137394, 143680, 152660, 161640, 183192, 215520, 228990, 244256, 258624, 274788, 305320, 323280, 343485, 366384, 431040, 457980, 488512, 549576, 610640, 646560, 686970, 732768, 915960, 1099152, 1221280, 1293120, 1373940, 1465536, 1831920, 2198304, 2442560, 2747880, 3663840, 4396608, 5495760, 7327680, 10991520, 21983040]

約数ペア:

[(1, 21983040), (2, 10991520), (3, 7327680), (4, 5495760), (5, 4396608), (6, 3663840), (8, 2747880), (9, 2442560), (10, 2198304), (12, 1831920), (15, 1465536), (16, 1373940), (17, 1293120), (18, 1221280), (20, 1099152), (24, 915960), (30, 732768), (32, 686970), (34, 646560), (36, 610640), (40, 549576), (45, 488512), (48, 457980), (51, 431040), (60, 366384), (64, 343485), (68, 323280), (72, 305320), (80, 274788), (85, 258624), (90, 244256), (96, 228990), (102, 215520), (120, 183192), (136, 161640), (144, 152660), (153, 143680), (160, 137394), (170, 129312), (180, 122128), (192, 114495), (204, 107760), (240, 91596), (255, 86208), (272, 80820), (288, 76330), (306, 71840), (320, 68697), (340, 64656), (360, 61064), (408, 53880), (449, 48960), (480, 45798), (510, 43104), (544, 40410), (576, 38165), (612, 35920), (680, 32328), (720, 30532), (765, 28736), (816, 26940), (898, 24480), (960, 22899), (1020, 21552), (1088, 20205), (1224, 17960), (1347, 16320), (1360, 16164), (1440, 15266), (1530, 14368), (1632, 13470), (1796, 12240), (2040, 10776), (2245, 9792), (2448, 8980), (2694, 8160), (2720, 8082), (2880, 7633), (3060, 7184), (3264, 6735), (3592, 6120), (4041, 5440), (4080, 5388), (4490, 4896)]