21865960

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{28771}}^1$

素因数の和:28801

約数の個数: 32

約数和(自身を含む): 51789600

約数和(自身を除く): 29923640

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 28771, 57542, 115084, 143855, 230168, 287710, 546649, 575420, 1093298, 1150840, 2186596, 2733245, 4373192, 5466490, 10932980, 21865960]

約数ペア:

[(1, 21865960), (2, 10932980), (4, 5466490), (5, 4373192), (8, 2733245), (10, 2186596), (19, 1150840), (20, 1093298), (38, 575420), (40, 546649), (76, 287710), (95, 230168), (152, 143855), (190, 115084), (380, 57542), (760, 28771)]