21739550

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{179}}^1\times {\mathrm{347}}^1$

素因数の和:545

約数の個数: 48

約数和(自身を含む): 46604160

約数和(自身を除く): 24864610

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 175, 179, 347, 350, 358, 694, 895, 1253, 1735, 1790, 2429, 2506, 3470, 4475, 4858, 6265, 8675, 8950, 12145, 12530, 17350, 24290, 31325, 60725, 62113, 62650, 121450, 124226, 310565, 434791, 621130, 869582, 1552825, 2173955, 3105650, 4347910, 10869775, 21739550]

約数ペア:

[(1, 21739550), (2, 10869775), (5, 4347910), (7, 3105650), (10, 2173955), (14, 1552825), (25, 869582), (35, 621130), (50, 434791), (70, 310565), (175, 124226), (179, 121450), (347, 62650), (350, 62113), (358, 60725), (694, 31325), (895, 24290), (1253, 17350), (1735, 12530), (1790, 12145), (2429, 8950), (2506, 8675), (3470, 6265), (4475, 4858)]