21111516

素因数分解:

$2^2\times 3^4\times {\mathrm{23}}^1\times {\mathrm{2833}}^1$

素因数の和:2872

約数の個数: 60

約数和(自身を含む): 57609552

約数和(自身を除く): 36498036

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 27, 36, 46, 54, 69, 81, 92, 108, 138, 162, 207, 276, 324, 414, 621, 828, 1242, 1863, 2484, 2833, 3726, 5666, 7452, 8499, 11332, 16998, 25497, 33996, 50994, 65159, 76491, 101988, 130318, 152982, 195477, 229473, 260636, 305964, 390954, 458946, 586431, 781908, 917892, 1172862, 1759293, 2345724, 3518586, 5277879, 7037172, 10555758, 21111516]

約数ペア:

[(1, 21111516), (2, 10555758), (3, 7037172), (4, 5277879), (6, 3518586), (9, 2345724), (12, 1759293), (18, 1172862), (23, 917892), (27, 781908), (36, 586431), (46, 458946), (54, 390954), (69, 305964), (81, 260636), (92, 229473), (108, 195477), (138, 152982), (162, 130318), (207, 101988), (276, 76491), (324, 65159), (414, 50994), (621, 33996), (828, 25497), (1242, 16998), (1863, 11332), (2484, 8499), (2833, 7452), (3726, 5666)]