21292692

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{1987}}^1$

素因数の和:2060

約数の個数: 48

約数和(自身を含む): 53437440

約数和(自身を除く): 32144748

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 47, 57, 76, 94, 114, 141, 188, 228, 282, 564, 893, 1786, 1987, 2679, 3572, 3974, 5358, 5961, 7948, 10716, 11922, 23844, 37753, 75506, 93389, 113259, 151012, 186778, 226518, 280167, 373556, 453036, 560334, 1120668, 1774391, 3548782, 5323173, 7097564, 10646346, 21292692]

約数ペア:

[(1, 21292692), (2, 10646346), (3, 7097564), (4, 5323173), (6, 3548782), (12, 1774391), (19, 1120668), (38, 560334), (47, 453036), (57, 373556), (76, 280167), (94, 226518), (114, 186778), (141, 151012), (188, 113259), (228, 93389), (282, 75506), (564, 37753), (893, 23844), (1786, 11922), (1987, 10716), (2679, 7948), (3572, 5961), (3974, 5358)]