21473584

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{7177}}^1$

素因数の和:7213

約数の個数: 40

約数和(自身を含む): 48063888

約数和(自身を除く): 26590304

約数列:

[1, 2, 4, 8, 11, 16, 17, 22, 34, 44, 68, 88, 136, 176, 187, 272, 374, 748, 1496, 2992, 7177, 14354, 28708, 57416, 78947, 114832, 122009, 157894, 244018, 315788, 488036, 631576, 976072, 1263152, 1342099, 1952144, 2684198, 5368396, 10736792, 21473584]

約数ペア:

[(1, 21473584), (2, 10736792), (4, 5368396), (8, 2684198), (11, 1952144), (16, 1342099), (17, 1263152), (22, 976072), (34, 631576), (44, 488036), (68, 315788), (88, 244018), (136, 157894), (176, 122009), (187, 114832), (272, 78947), (374, 57416), (748, 28708), (1496, 14354), (2992, 7177)]