21201888

素因数分解:

$2^5\times 3^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{127}}^1$

素因数の和:224

約数の個数: 96

約数和(自身を含む): 58834944

約数和(自身を除く): 37633056

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 37, 47, 48, 74, 94, 96, 111, 127, 141, 148, 188, 222, 254, 282, 296, 376, 381, 444, 508, 564, 592, 752, 762, 888, 1016, 1128, 1184, 1504, 1524, 1739, 1776, 2032, 2256, 3048, 3478, 3552, 4064, 4512, 4699, 5217, 5969, 6096, 6956, 9398, 10434, 11938, 12192, 13912, 14097, 17907, 18796, 20868, 23876, 27824, 28194, 35814, 37592, 41736, 47752, 55648, 56388, 71628, 75184, 83472, 95504, 112776, 143256, 150368, 166944, 191008, 220853, 225552, 286512, 441706, 451104, 573024, 662559, 883412, 1325118, 1766824, 2650236, 3533648, 5300472, 7067296, 10600944, 21201888]

約数ペア:

[(1, 21201888), (2, 10600944), (3, 7067296), (4, 5300472), (6, 3533648), (8, 2650236), (12, 1766824), (16, 1325118), (24, 883412), (32, 662559), (37, 573024), (47, 451104), (48, 441706), (74, 286512), (94, 225552), (96, 220853), (111, 191008), (127, 166944), (141, 150368), (148, 143256), (188, 112776), (222, 95504), (254, 83472), (282, 75184), (296, 71628), (376, 56388), (381, 55648), (444, 47752), (508, 41736), (564, 37592), (592, 35814), (752, 28194), (762, 27824), (888, 23876), (1016, 20868), (1128, 18796), (1184, 17907), (1504, 14097), (1524, 13912), (1739, 12192), (1776, 11938), (2032, 10434), (2256, 9398), (3048, 6956), (3478, 6096), (3552, 5969), (4064, 5217), (4512, 4699)]