21003822

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{1873}}^1$

素因数の和:1977

約数の個数: 48

約数和(自身を含む): 52621920

約数和(自身を除く): 31618098

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 89, 126, 178, 267, 534, 623, 801, 1246, 1602, 1869, 1873, 3738, 3746, 5607, 5619, 11214, 11238, 13111, 16857, 26222, 33714, 39333, 78666, 117999, 166697, 235998, 333394, 500091, 1000182, 1166879, 1500273, 2333758, 3000546, 3500637, 7001274, 10501911, 21003822]

約数ペア:

[(1, 21003822), (2, 10501911), (3, 7001274), (6, 3500637), (7, 3000546), (9, 2333758), (14, 1500273), (18, 1166879), (21, 1000182), (42, 500091), (63, 333394), (89, 235998), (126, 166697), (178, 117999), (267, 78666), (534, 39333), (623, 33714), (801, 26222), (1246, 16857), (1602, 13111), (1869, 11238), (1873, 11214), (3738, 5619), (3746, 5607)]