21120610

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{9733}}^1$

素因数の和:9778

約数の個数: 32

約数和(自身を含む): 44854272

約数和(自身を除く): 23733662

約数列:

[1, 2, 5, 7, 10, 14, 31, 35, 62, 70, 155, 217, 310, 434, 1085, 2170, 9733, 19466, 48665, 68131, 97330, 136262, 301723, 340655, 603446, 681310, 1508615, 2112061, 3017230, 4224122, 10560305, 21120610]

約数ペア:

[(1, 21120610), (2, 10560305), (5, 4224122), (7, 3017230), (10, 2112061), (14, 1508615), (31, 681310), (35, 603446), (62, 340655), (70, 301723), (155, 136262), (217, 97330), (310, 68131), (434, 48665), (1085, 19466), (2170, 9733)]