21446946

素因数分解:

$2^1\times 3^2\times {\mathrm{47}}^1\times {\mathrm{101}}^1\times {\mathrm{251}}^1$

素因数の和:407

約数の個数: 48

約数和(自身を含む): 48117888

約数和(自身を除く): 26670942

約数列:

[1, 2, 3, 6, 9, 18, 47, 94, 101, 141, 202, 251, 282, 303, 423, 502, 606, 753, 846, 909, 1506, 1818, 2259, 4518, 4747, 9494, 11797, 14241, 23594, 25351, 28482, 35391, 42723, 50702, 70782, 76053, 85446, 106173, 152106, 212346, 228159, 456318, 1191497, 2382994, 3574491, 7148982, 10723473, 21446946]

約数ペア:

[(1, 21446946), (2, 10723473), (3, 7148982), (6, 3574491), (9, 2382994), (18, 1191497), (47, 456318), (94, 228159), (101, 212346), (141, 152106), (202, 106173), (251, 85446), (282, 76053), (303, 70782), (423, 50702), (502, 42723), (606, 35391), (753, 28482), (846, 25351), (909, 23594), (1506, 14241), (1818, 11797), (2259, 9494), (4518, 4747)]