21260172

素因数分解:

$2^2\times 3^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{853}}^1$

素因数の和:958

約数の個数: 48

約数和(自身を含む): 52032512

約数和(自身を除く): 30772340

約数列:

[1, 2, 3, 4, 6, 12, 31, 62, 67, 93, 124, 134, 186, 201, 268, 372, 402, 804, 853, 1706, 2077, 2559, 3412, 4154, 5118, 6231, 8308, 10236, 12462, 24924, 26443, 52886, 57151, 79329, 105772, 114302, 158658, 171453, 228604, 317316, 342906, 685812, 1771681, 3543362, 5315043, 7086724, 10630086, 21260172]

約数ペア:

[(1, 21260172), (2, 10630086), (3, 7086724), (4, 5315043), (6, 3543362), (12, 1771681), (31, 685812), (62, 342906), (67, 317316), (93, 228604), (124, 171453), (134, 158658), (186, 114302), (201, 105772), (268, 79329), (372, 57151), (402, 52886), (804, 26443), (853, 24924), (1706, 12462), (2077, 10236), (2559, 8308), (3412, 6231), (4154, 5118)]