21036948

素因数分解:

$2^2\times 3^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{991}}^1$

素因数の和:1088

約数の個数: 48

約数和(自身を含む): 51663360

約数和(自身を除く): 30626412

約数列:

[1, 2, 3, 4, 6, 12, 29, 58, 61, 87, 116, 122, 174, 183, 244, 348, 366, 732, 991, 1769, 1982, 2973, 3538, 3964, 5307, 5946, 7076, 10614, 11892, 21228, 28739, 57478, 60451, 86217, 114956, 120902, 172434, 181353, 241804, 344868, 362706, 725412, 1753079, 3506158, 5259237, 7012316, 10518474, 21036948]

約数ペア:

[(1, 21036948), (2, 10518474), (3, 7012316), (4, 5259237), (6, 3506158), (12, 1753079), (29, 725412), (58, 362706), (61, 344868), (87, 241804), (116, 181353), (122, 172434), (174, 120902), (183, 114956), (244, 86217), (348, 60451), (366, 57478), (732, 28739), (991, 21228), (1769, 11892), (1982, 10614), (2973, 7076), (3538, 5946), (3964, 5307)]