21108630720

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1293421}}^1$

素因数の和:1293458

約数の個数: 112

約数和(自身を含む): 70962304608

約数和(自身を除く): 49853673888

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 32, 34, 40, 48, 51, 60, 64, 68, 80, 85, 96, 102, 120, 136, 160, 170, 192, 204, 240, 255, 272, 320, 340, 408, 480, 510, 544, 680, 816, 960, 1020, 1088, 1360, 1632, 2040, 2720, 3264, 4080, 5440, 8160, 16320, 1293421, 2586842, 3880263, 5173684, 6467105, 7760526, 10347368, 12934210, 15521052, 19401315, 20694736, 21988157, 25868420, 31042104, 38802630, 41389472, 43976314, 51736840, 62084208, 65964471, 77605260, 82778944, 87952628, 103473680, 109940785, 124168416, 131928942, 155210520, 175905256, 206947360, 219881570, 248336832, 263857884, 310421040, 329822355, 351810512, 413894720, 439763140, 527715768, 620842080, 659644710, 703621024, 879526280, 1055431536, 1241684160, 1319289420, 1407242048, 1759052560, 2110863072, 2638578840, 3518105120, 4221726144, 5277157680, 7036210240, 10554315360, 21108630720]

約数ペア:

[(1, 21108630720), (2, 10554315360), (3, 7036210240), (4, 5277157680), (5, 4221726144), (6, 3518105120), (8, 2638578840), (10, 2110863072), (12, 1759052560), (15, 1407242048), (16, 1319289420), (17, 1241684160), (20, 1055431536), (24, 879526280), (30, 703621024), (32, 659644710), (34, 620842080), (40, 527715768), (48, 439763140), (51, 413894720), (60, 351810512), (64, 329822355), (68, 310421040), (80, 263857884), (85, 248336832), (96, 219881570), (102, 206947360), (120, 175905256), (136, 155210520), (160, 131928942), (170, 124168416), (192, 109940785), (204, 103473680), (240, 87952628), (255, 82778944), (272, 77605260), (320, 65964471), (340, 62084208), (408, 51736840), (480, 43976314), (510, 41389472), (544, 38802630), (680, 31042104), (816, 25868420), (960, 21988157), (1020, 20694736), (1088, 19401315), (1360, 15521052), (1632, 12934210), (2040, 10347368), (2720, 7760526), (3264, 6467105), (4080, 5173684), (5440, 3880263), (8160, 2586842), (16320, 1293421)]