21082996

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{251}}^1$

素因数の和:372

約数の個数: 48

約数和(自身を含む): 42674688

約数和(自身を除く): 21591692

約数列:

[1, 2, 4, 11, 22, 23, 44, 46, 83, 92, 166, 251, 253, 332, 502, 506, 913, 1004, 1012, 1826, 1909, 2761, 3652, 3818, 5522, 5773, 7636, 11044, 11546, 20833, 20999, 23092, 41666, 41998, 63503, 83332, 83996, 127006, 229163, 254012, 458326, 479159, 916652, 958318, 1916636, 5270749, 10541498, 21082996]

約数ペア:

[(1, 21082996), (2, 10541498), (4, 5270749), (11, 1916636), (22, 958318), (23, 916652), (44, 479159), (46, 458326), (83, 254012), (92, 229163), (166, 127006), (251, 83996), (253, 83332), (332, 63503), (502, 41998), (506, 41666), (913, 23092), (1004, 20999), (1012, 20833), (1826, 11546), (1909, 11044), (2761, 7636), (3652, 5773), (3818, 5522)]