21810648

素因数分解:

$2^3\times 3^1\times {\mathrm{59}}^1\times {\mathrm{73}}^1\times {\mathrm{211}}^1$

素因数の和:352

約数の個数: 64

約数和(自身を含む): 56476800

約数和(自身を除く): 34666152

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 59, 73, 118, 146, 177, 211, 219, 236, 292, 354, 422, 438, 472, 584, 633, 708, 844, 876, 1266, 1416, 1688, 1752, 2532, 4307, 5064, 8614, 12449, 12921, 15403, 17228, 24898, 25842, 30806, 34456, 37347, 46209, 49796, 51684, 61612, 74694, 92418, 99592, 103368, 123224, 149388, 184836, 298776, 369672, 908777, 1817554, 2726331, 3635108, 5452662, 7270216, 10905324, 21810648]

約数ペア:

[(1, 21810648), (2, 10905324), (3, 7270216), (4, 5452662), (6, 3635108), (8, 2726331), (12, 1817554), (24, 908777), (59, 369672), (73, 298776), (118, 184836), (146, 149388), (177, 123224), (211, 103368), (219, 99592), (236, 92418), (292, 74694), (354, 61612), (422, 51684), (438, 49796), (472, 46209), (584, 37347), (633, 34456), (708, 30806), (844, 25842), (876, 24898), (1266, 17228), (1416, 15403), (1688, 12921), (1752, 12449), (2532, 8614), (4307, 5064)]