21075279660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{887}}^1\times {\mathrm{132001}}^1$

素因数の和:132903

約数の個数: 72

約数和(自身を含む): 64000905696

約数和(自身を除く): 42925626036

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 887, 1774, 2661, 3548, 4435, 5322, 7983, 8870, 10644, 13305, 15966, 17740, 26610, 31932, 39915, 53220, 79830, 132001, 159660, 264002, 396003, 528004, 660005, 792006, 1188009, 1320010, 1584012, 1980015, 2376018, 2640020, 3960030, 4752036, 5940045, 7920060, 11880090, 23760180, 117084887, 234169774, 351254661, 468339548, 585424435, 702509322, 1053763983, 1170848870, 1405018644, 1756273305, 2107527966, 2341697740, 3512546610, 4215055932, 5268819915, 7025093220, 10537639830, 21075279660]

約数ペア:

[(1, 21075279660), (2, 10537639830), (3, 7025093220), (4, 5268819915), (5, 4215055932), (6, 3512546610), (9, 2341697740), (10, 2107527966), (12, 1756273305), (15, 1405018644), (18, 1170848870), (20, 1053763983), (30, 702509322), (36, 585424435), (45, 468339548), (60, 351254661), (90, 234169774), (180, 117084887), (887, 23760180), (1774, 11880090), (2661, 7920060), (3548, 5940045), (4435, 4752036), (5322, 3960030), (7983, 2640020), (8870, 2376018), (10644, 1980015), (13305, 1584012), (15966, 1320010), (17740, 1188009), (26610, 792006), (31932, 660005), (39915, 528004), (53220, 396003), (79830, 264002), (132001, 159660)]