21536910

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{2467}}^1$

素因数の和:2577

約数の個数: 48

約数和(自身を含む): 56596176

約数和(自身を除く): 35059266

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 97, 194, 291, 485, 582, 873, 970, 1455, 1746, 2467, 2910, 4365, 4934, 7401, 8730, 12335, 14802, 22203, 24670, 37005, 44406, 74010, 111015, 222030, 239299, 478598, 717897, 1196495, 1435794, 2153691, 2392990, 3589485, 4307382, 7178970, 10768455, 21536910]

約数ペア:

[(1, 21536910), (2, 10768455), (3, 7178970), (5, 4307382), (6, 3589485), (9, 2392990), (10, 2153691), (15, 1435794), (18, 1196495), (30, 717897), (45, 478598), (90, 239299), (97, 222030), (194, 111015), (291, 74010), (485, 44406), (582, 37005), (873, 24670), (970, 22203), (1455, 14802), (1746, 12335), (2467, 8730), (2910, 7401), (4365, 4934)]