21343830

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{5431}}^1$

素因数の和:5572

約数の個数: 32

約数和(自身を含む): 51625728

約数和(自身を除く): 30281898

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 131, 262, 393, 655, 786, 1310, 1965, 3930, 5431, 10862, 16293, 27155, 32586, 54310, 81465, 162930, 711461, 1422922, 2134383, 3557305, 4268766, 7114610, 10671915, 21343830]

約数ペア:

[(1, 21343830), (2, 10671915), (3, 7114610), (5, 4268766), (6, 3557305), (10, 2134383), (15, 1422922), (30, 711461), (131, 162930), (262, 81465), (393, 54310), (655, 32586), (786, 27155), (1310, 16293), (1965, 10862), (3930, 5431)]