21031542

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{55639}}^1$

素因数の和:55657

約数の個数: 32

約数和(自身を含む): 53414400

約数和(自身を除く): 32382858

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 378, 55639, 111278, 166917, 333834, 389473, 500751, 778946, 1001502, 1168419, 1502253, 2336838, 3004506, 3505257, 7010514, 10515771, 21031542]

約数ペア:

[(1, 21031542), (2, 10515771), (3, 7010514), (6, 3505257), (7, 3004506), (9, 2336838), (14, 1502253), (18, 1168419), (21, 1001502), (27, 778946), (42, 500751), (54, 389473), (63, 333834), (126, 166917), (189, 111278), (378, 55639)]