21000983998

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{137}}^1\times {\mathrm{307}}^1\times {\mathrm{8609}}^1$

素因数の和:9084

約数の個数: 32

約数和(自身を含む): 32936349600

約数和(自身を除く): 11935365602

約数列:

[1, 2, 29, 58, 137, 274, 307, 614, 3973, 7946, 8609, 8903, 17218, 17806, 42059, 84118, 249661, 499322, 1179433, 1219711, 2358866, 2439422, 2642963, 5285926, 34203557, 68407114, 76645927, 153291854, 362085931, 724171862, 10500491999, 21000983998]

約数ペア:

[(1, 21000983998), (2, 10500491999), (29, 724171862), (58, 362085931), (137, 153291854), (274, 76645927), (307, 68407114), (614, 34203557), (3973, 5285926), (7946, 2642963), (8609, 2439422), (8903, 2358866), (17218, 1219711), (17806, 1179433), (42059, 499322), (84118, 249661)]