21136465352

素因数分解:

$2^3\times {\mathrm{61}}^1\times {\mathrm{677}}^1\times {\mathrm{63977}}^1$

素因数の和:64721

約数の個数: 32

約数和(自身を含む): 40340688120

約数和(自身を除く): 19204222768

約数列:

[1, 2, 4, 8, 61, 122, 244, 488, 677, 1354, 2708, 5416, 41297, 63977, 82594, 127954, 165188, 255908, 330376, 511816, 3902597, 7805194, 15610388, 31220776, 43312429, 86624858, 173249716, 346499432, 2642058169, 5284116338, 10568232676, 21136465352]

約数ペア:

[(1, 21136465352), (2, 10568232676), (4, 5284116338), (8, 2642058169), (61, 346499432), (122, 173249716), (244, 86624858), (488, 43312429), (677, 31220776), (1354, 15610388), (2708, 7805194), (5416, 3902597), (41297, 511816), (63977, 330376), (82594, 255908), (127954, 165188)]