21358662

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^2$

素因数の和:213

約数の個数: 48

約数和(自身を含む): 47465712

約数和(自身を除く): 26107050

約数列:

[1, 2, 3, 6, 13, 26, 39, 61, 67, 78, 122, 134, 183, 201, 366, 402, 793, 871, 1586, 1742, 2379, 2613, 4087, 4489, 4758, 5226, 8174, 8978, 12261, 13467, 24522, 26934, 53131, 58357, 106262, 116714, 159393, 175071, 273829, 318786, 350142, 547658, 821487, 1642974, 3559777, 7119554, 10679331, 21358662]

約数ペア:

[(1, 21358662), (2, 10679331), (3, 7119554), (6, 3559777), (13, 1642974), (26, 821487), (39, 547658), (61, 350142), (67, 318786), (78, 273829), (122, 175071), (134, 159393), (183, 116714), (201, 106262), (366, 58357), (402, 53131), (793, 26934), (871, 24522), (1586, 13467), (1742, 12261), (2379, 8978), (2613, 8174), (4087, 5226), (4489, 4758)]