21763638

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{5471}}^1$

素因数の和:5509

約数の個数: 48

約数和(自身を含む): 53778816

約数和(自身を除く): 32015178

約数列:

[1, 2, 3, 6, 9, 13, 17, 18, 26, 34, 39, 51, 78, 102, 117, 153, 221, 234, 306, 442, 663, 1326, 1989, 3978, 5471, 10942, 16413, 32826, 49239, 71123, 93007, 98478, 142246, 186014, 213369, 279021, 426738, 558042, 640107, 837063, 1209091, 1280214, 1674126, 2418182, 3627273, 7254546, 10881819, 21763638]

約数ペア:

[(1, 21763638), (2, 10881819), (3, 7254546), (6, 3627273), (9, 2418182), (13, 1674126), (17, 1280214), (18, 1209091), (26, 837063), (34, 640107), (39, 558042), (51, 426738), (78, 279021), (102, 213369), (117, 186014), (153, 142246), (221, 98478), (234, 93007), (306, 71123), (442, 49239), (663, 32826), (1326, 16413), (1989, 10942), (3978, 5471)]