21969768

素因数分解:

$2^3\times 3^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{269}}^1$

素因数の和:402

約数の個数: 64

約数和(自身を含む): 57153600

約数和(自身を除く): 35183832

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 41, 82, 83, 123, 164, 166, 246, 249, 269, 328, 332, 492, 498, 538, 664, 807, 984, 996, 1076, 1614, 1992, 2152, 3228, 3403, 6456, 6806, 10209, 11029, 13612, 20418, 22058, 22327, 27224, 33087, 40836, 44116, 44654, 66174, 66981, 81672, 88232, 89308, 132348, 133962, 178616, 264696, 267924, 535848, 915407, 1830814, 2746221, 3661628, 5492442, 7323256, 10984884, 21969768]

約数ペア:

[(1, 21969768), (2, 10984884), (3, 7323256), (4, 5492442), (6, 3661628), (8, 2746221), (12, 1830814), (24, 915407), (41, 535848), (82, 267924), (83, 264696), (123, 178616), (164, 133962), (166, 132348), (246, 89308), (249, 88232), (269, 81672), (328, 66981), (332, 66174), (492, 44654), (498, 44116), (538, 40836), (664, 33087), (807, 27224), (984, 22327), (996, 22058), (1076, 20418), (1614, 13612), (1992, 11029), (2152, 10209), (3228, 6806), (3403, 6456)]