21284272

素因数分解:

$2^4\times {\mathrm{17}}^2\times {\mathrm{4603}}^1$

素因数の和:4645

約数の個数: 30

約数和(自身を含む): 43816268

約数和(自身を除く): 22531996

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 289, 578, 1156, 2312, 4603, 4624, 9206, 18412, 36824, 73648, 78251, 156502, 313004, 626008, 1252016, 1330267, 2660534, 5321068, 10642136, 21284272]

約数ペア:

[(1, 21284272), (2, 10642136), (4, 5321068), (8, 2660534), (16, 1330267), (17, 1252016), (34, 626008), (68, 313004), (136, 156502), (272, 78251), (289, 73648), (578, 36824), (1156, 18412), (2312, 9206), (4603, 4624)]