21985488

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{1283}}^1$

素因数の和:1321

約数の個数: 120

約数和(自身を含む): 74513088

約数和(自身を除く): 52527600

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 17, 18, 21, 24, 28, 34, 36, 42, 48, 51, 56, 63, 68, 72, 84, 102, 112, 119, 126, 136, 144, 153, 168, 204, 238, 252, 272, 306, 336, 357, 408, 476, 504, 612, 714, 816, 952, 1008, 1071, 1224, 1283, 1428, 1904, 2142, 2448, 2566, 2856, 3849, 4284, 5132, 5712, 7698, 8568, 8981, 10264, 11547, 15396, 17136, 17962, 20528, 21811, 23094, 26943, 30792, 35924, 43622, 46188, 53886, 61584, 65433, 71848, 80829, 87244, 92376, 107772, 130866, 143696, 152677, 161658, 174488, 184752, 196299, 215544, 261732, 305354, 323316, 348976, 392598, 431088, 458031, 523464, 610708, 646632, 785196, 916062, 1046928, 1221416, 1293264, 1374093, 1570392, 1832124, 2442832, 2748186, 3140784, 3664248, 5496372, 7328496, 10992744, 21985488]

約数ペア:

[(1, 21985488), (2, 10992744), (3, 7328496), (4, 5496372), (6, 3664248), (7, 3140784), (8, 2748186), (9, 2442832), (12, 1832124), (14, 1570392), (16, 1374093), (17, 1293264), (18, 1221416), (21, 1046928), (24, 916062), (28, 785196), (34, 646632), (36, 610708), (42, 523464), (48, 458031), (51, 431088), (56, 392598), (63, 348976), (68, 323316), (72, 305354), (84, 261732), (102, 215544), (112, 196299), (119, 184752), (126, 174488), (136, 161658), (144, 152677), (153, 143696), (168, 130866), (204, 107772), (238, 92376), (252, 87244), (272, 80829), (306, 71848), (336, 65433), (357, 61584), (408, 53886), (476, 46188), (504, 43622), (612, 35924), (714, 30792), (816, 26943), (952, 23094), (1008, 21811), (1071, 20528), (1224, 17962), (1283, 17136), (1428, 15396), (1904, 11547), (2142, 10264), (2448, 8981), (2566, 8568), (2856, 7698), (3849, 5712), (4284, 5132)]