21147252

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{251}}^1$

素因数の和:341

約数の個数: 96

約数和(自身を含む): 60963840

約数和(自身を除く): 39816588

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 17, 21, 28, 34, 42, 51, 59, 68, 84, 102, 118, 119, 177, 204, 236, 238, 251, 354, 357, 413, 476, 502, 708, 714, 753, 826, 1003, 1004, 1239, 1428, 1506, 1652, 1757, 2006, 2478, 3009, 3012, 3514, 4012, 4267, 4956, 5271, 6018, 7021, 7028, 8534, 10542, 12036, 12801, 14042, 14809, 17068, 21063, 21084, 25602, 28084, 29618, 29869, 42126, 44427, 51204, 59236, 59738, 84252, 88854, 89607, 103663, 119476, 177708, 179214, 207326, 251753, 310989, 358428, 414652, 503506, 621978, 755259, 1007012, 1243956, 1510518, 1762271, 3021036, 3524542, 5286813, 7049084, 10573626, 21147252]

約数ペア:

[(1, 21147252), (2, 10573626), (3, 7049084), (4, 5286813), (6, 3524542), (7, 3021036), (12, 1762271), (14, 1510518), (17, 1243956), (21, 1007012), (28, 755259), (34, 621978), (42, 503506), (51, 414652), (59, 358428), (68, 310989), (84, 251753), (102, 207326), (118, 179214), (119, 177708), (177, 119476), (204, 103663), (236, 89607), (238, 88854), (251, 84252), (354, 59738), (357, 59236), (413, 51204), (476, 44427), (502, 42126), (708, 29869), (714, 29618), (753, 28084), (826, 25602), (1003, 21084), (1004, 21063), (1239, 17068), (1428, 14809), (1506, 14042), (1652, 12801), (1757, 12036), (2006, 10542), (2478, 8534), (3009, 7028), (3012, 7021), (3514, 6018), (4012, 5271), (4267, 4956)]