21617200

素因数分解:

$2^4\times 5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^3$

素因数の和:80

約数の個数: 120

約数和(自身を含む): 60197040

約数和(自身を除く): 38579840

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 25, 34, 40, 44, 50, 55, 68, 80, 85, 88, 100, 110, 136, 170, 176, 187, 200, 220, 272, 275, 289, 340, 374, 400, 425, 440, 550, 578, 680, 748, 850, 880, 935, 1100, 1156, 1360, 1445, 1496, 1700, 1870, 2200, 2312, 2890, 2992, 3179, 3400, 3740, 4400, 4624, 4675, 4913, 5780, 6358, 6800, 7225, 7480, 9350, 9826, 11560, 12716, 14450, 14960, 15895, 18700, 19652, 23120, 24565, 25432, 28900, 31790, 37400, 39304, 49130, 50864, 54043, 57800, 63580, 74800, 78608, 79475, 98260, 108086, 115600, 122825, 127160, 158950, 196520, 216172, 245650, 254320, 270215, 317900, 393040, 432344, 491300, 540430, 635800, 864688, 982600, 1080860, 1271600, 1351075, 1965200, 2161720, 2702150, 4323440, 5404300, 10808600, 21617200]

約数ペア:

[(1, 21617200), (2, 10808600), (4, 5404300), (5, 4323440), (8, 2702150), (10, 2161720), (11, 1965200), (16, 1351075), (17, 1271600), (20, 1080860), (22, 982600), (25, 864688), (34, 635800), (40, 540430), (44, 491300), (50, 432344), (55, 393040), (68, 317900), (80, 270215), (85, 254320), (88, 245650), (100, 216172), (110, 196520), (136, 158950), (170, 127160), (176, 122825), (187, 115600), (200, 108086), (220, 98260), (272, 79475), (275, 78608), (289, 74800), (340, 63580), (374, 57800), (400, 54043), (425, 50864), (440, 49130), (550, 39304), (578, 37400), (680, 31790), (748, 28900), (850, 25432), (880, 24565), (935, 23120), (1100, 19652), (1156, 18700), (1360, 15895), (1445, 14960), (1496, 14450), (1700, 12716), (1870, 11560), (2200, 9826), (2312, 9350), (2890, 7480), (2992, 7225), (3179, 6800), (3400, 6358), (3740, 5780), (4400, 4913), (4624, 4675)]