21853026

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{1987}}^1$

素因数の和:2055

約数の個数: 48

約数和(自身を含む): 52101504

約数和(自身を除く): 30248478

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 47, 78, 94, 117, 141, 234, 282, 423, 611, 846, 1222, 1833, 1987, 3666, 3974, 5499, 5961, 10998, 11922, 17883, 25831, 35766, 51662, 77493, 93389, 154986, 186778, 232479, 280167, 464958, 560334, 840501, 1214057, 1681002, 2428114, 3642171, 7284342, 10926513, 21853026]

約数ペア:

[(1, 21853026), (2, 10926513), (3, 7284342), (6, 3642171), (9, 2428114), (13, 1681002), (18, 1214057), (26, 840501), (39, 560334), (47, 464958), (78, 280167), (94, 232479), (117, 186778), (141, 154986), (234, 93389), (282, 77493), (423, 51662), (611, 35766), (846, 25831), (1222, 17883), (1833, 11922), (1987, 10998), (3666, 5961), (3974, 5499)]