21463316

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{673}}^1$

素因数の和:768

約数の個数: 48

約数和(自身を含む): 46198656

約数和(自身を除く): 24735340

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 67, 68, 119, 134, 238, 268, 469, 476, 673, 938, 1139, 1346, 1876, 2278, 2692, 4556, 4711, 7973, 9422, 11441, 15946, 18844, 22882, 31892, 45091, 45764, 80087, 90182, 160174, 180364, 315637, 320348, 631274, 766547, 1262548, 1533094, 3066188, 5365829, 10731658, 21463316]

約数ペア:

[(1, 21463316), (2, 10731658), (4, 5365829), (7, 3066188), (14, 1533094), (17, 1262548), (28, 766547), (34, 631274), (67, 320348), (68, 315637), (119, 180364), (134, 160174), (238, 90182), (268, 80087), (469, 45764), (476, 45091), (673, 31892), (938, 22882), (1139, 18844), (1346, 15946), (1876, 11441), (2278, 9422), (2692, 7973), (4556, 4711)]