21024801

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{293}}^1$

素因数の和:390

約数の個数: 48

約数和(自身を含む): 37425024

約数和(自身を除く): 16400223

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 67, 119, 153, 201, 293, 357, 469, 603, 879, 1071, 1139, 1407, 2051, 2637, 3417, 4221, 4981, 6153, 7973, 10251, 14943, 18459, 19631, 23919, 34867, 44829, 58893, 71757, 104601, 137417, 176679, 313803, 333727, 412251, 1001181, 1236753, 2336089, 3003543, 7008267, 21024801]

約数ペア:

[(1, 21024801), (3, 7008267), (7, 3003543), (9, 2336089), (17, 1236753), (21, 1001181), (51, 412251), (63, 333727), (67, 313803), (119, 176679), (153, 137417), (201, 104601), (293, 71757), (357, 58893), (469, 44829), (603, 34867), (879, 23919), (1071, 19631), (1139, 18459), (1407, 14943), (2051, 10251), (2637, 7973), (3417, 6153), (4221, 4981)]