21965496

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{7691}}^1$

素因数の和:7724

約数の個数: 64

約数和(自身を含む): 66458880

約数和(自身を除く): 44493384

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 17, 21, 24, 28, 34, 42, 51, 56, 68, 84, 102, 119, 136, 168, 204, 238, 357, 408, 476, 714, 952, 1428, 2856, 7691, 15382, 23073, 30764, 46146, 53837, 61528, 92292, 107674, 130747, 161511, 184584, 215348, 261494, 323022, 392241, 430696, 522988, 646044, 784482, 915229, 1045976, 1292088, 1568964, 1830458, 2745687, 3137928, 3660916, 5491374, 7321832, 10982748, 21965496]

約数ペア:

[(1, 21965496), (2, 10982748), (3, 7321832), (4, 5491374), (6, 3660916), (7, 3137928), (8, 2745687), (12, 1830458), (14, 1568964), (17, 1292088), (21, 1045976), (24, 915229), (28, 784482), (34, 646044), (42, 522988), (51, 430696), (56, 392241), (68, 323022), (84, 261494), (102, 215348), (119, 184584), (136, 161511), (168, 130747), (204, 107674), (238, 92292), (357, 61528), (408, 53837), (476, 46146), (714, 30764), (952, 23073), (1428, 15382), (2856, 7691)]