21691600

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1$

素因数の和:213

約数の個数: 120

約数和(自身を含む): 61011968

約数和(自身を除く): 39320368

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 50, 56, 61, 70, 80, 100, 112, 122, 127, 140, 175, 200, 244, 254, 280, 305, 350, 400, 427, 488, 508, 560, 610, 635, 700, 854, 889, 976, 1016, 1220, 1270, 1400, 1525, 1708, 1778, 2032, 2135, 2440, 2540, 2800, 3050, 3175, 3416, 3556, 4270, 4445, 4880, 5080, 6100, 6350, 6832, 7112, 7747, 8540, 8890, 10160, 10675, 12200, 12700, 14224, 15494, 17080, 17780, 21350, 22225, 24400, 25400, 30988, 34160, 35560, 38735, 42700, 44450, 50800, 54229, 61976, 71120, 77470, 85400, 88900, 108458, 123952, 154940, 170800, 177800, 193675, 216916, 271145, 309880, 355600, 387350, 433832, 542290, 619760, 774700, 867664, 1084580, 1355725, 1549400, 2169160, 2711450, 3098800, 4338320, 5422900, 10845800, 21691600]

約数ペア:

[(1, 21691600), (2, 10845800), (4, 5422900), (5, 4338320), (7, 3098800), (8, 2711450), (10, 2169160), (14, 1549400), (16, 1355725), (20, 1084580), (25, 867664), (28, 774700), (35, 619760), (40, 542290), (50, 433832), (56, 387350), (61, 355600), (70, 309880), (80, 271145), (100, 216916), (112, 193675), (122, 177800), (127, 170800), (140, 154940), (175, 123952), (200, 108458), (244, 88900), (254, 85400), (280, 77470), (305, 71120), (350, 61976), (400, 54229), (427, 50800), (488, 44450), (508, 42700), (560, 38735), (610, 35560), (635, 34160), (700, 30988), (854, 25400), (889, 24400), (976, 22225), (1016, 21350), (1220, 17780), (1270, 17080), (1400, 15494), (1525, 14224), (1708, 12700), (1778, 12200), (2032, 10675), (2135, 10160), (2440, 8890), (2540, 8540), (2800, 7747), (3050, 7112), (3175, 6832), (3416, 6350), (3556, 6100), (4270, 5080), (4445, 4880)]