21866080

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{8039}}^1$

素因数の和:8071

約数の個数: 48

約数和(自身を含む): 54704160

約数和(自身を除く): 32838080

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 272, 340, 544, 680, 1360, 2720, 8039, 16078, 32156, 40195, 64312, 80390, 128624, 136663, 160780, 257248, 273326, 321560, 546652, 643120, 683315, 1093304, 1286240, 1366630, 2186608, 2733260, 4373216, 5466520, 10933040, 21866080]

約数ペア:

[(1, 21866080), (2, 10933040), (4, 5466520), (5, 4373216), (8, 2733260), (10, 2186608), (16, 1366630), (17, 1286240), (20, 1093304), (32, 683315), (34, 643120), (40, 546652), (68, 321560), (80, 273326), (85, 257248), (136, 160780), (160, 136663), (170, 128624), (272, 80390), (340, 64312), (544, 40195), (680, 32156), (1360, 16078), (2720, 8039)]