21707210

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{5851}}^1$

素因数の和:5918

約数の個数: 32

約数和(自身を含む): 45505152

約数和(自身を除く): 23797942

約数列:

[1, 2, 5, 7, 10, 14, 35, 53, 70, 106, 265, 371, 530, 742, 1855, 3710, 5851, 11702, 29255, 40957, 58510, 81914, 204785, 310103, 409570, 620206, 1550515, 2170721, 3101030, 4341442, 10853605, 21707210]

約数ペア:

[(1, 21707210), (2, 10853605), (5, 4341442), (7, 3101030), (10, 2170721), (14, 1550515), (35, 620206), (53, 409570), (70, 310103), (106, 204785), (265, 81914), (371, 58510), (530, 40957), (742, 29255), (1855, 11702), (3710, 5851)]