21540556856

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{501503}}^1$

素因数の和:501588

約数の個数: 64

約数和(自身を含む): 50551603200

約数和(自身を除く): 29011046344

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 59, 91, 104, 118, 182, 236, 364, 413, 472, 728, 767, 826, 1534, 1652, 3068, 3304, 5369, 6136, 10738, 21476, 42952, 501503, 1003006, 2006012, 3510521, 4012024, 6519539, 7021042, 13039078, 14042084, 26078156, 28084168, 29588677, 45636773, 52156312, 59177354, 91273546, 118354708, 182547092, 207120739, 236709416, 365094184, 384652801, 414241478, 769305602, 828482956, 1538611204, 1656965912, 2692569607, 3077222408, 5385139214, 10770278428, 21540556856]

約数ペア:

[(1, 21540556856), (2, 10770278428), (4, 5385139214), (7, 3077222408), (8, 2692569607), (13, 1656965912), (14, 1538611204), (26, 828482956), (28, 769305602), (52, 414241478), (56, 384652801), (59, 365094184), (91, 236709416), (104, 207120739), (118, 182547092), (182, 118354708), (236, 91273546), (364, 59177354), (413, 52156312), (472, 45636773), (728, 29588677), (767, 28084168), (826, 26078156), (1534, 14042084), (1652, 13039078), (3068, 7021042), (3304, 6519539), (5369, 4012024), (6136, 3510521), (10738, 2006012), (21476, 1003006), (42952, 501503)]