21965118

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{173}}^1\times {\mathrm{3023}}^1$

素因数の和:3208

約数の個数: 32

約数和(自身を含む): 50512896

約数和(自身を除く): 28547778

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 173, 346, 519, 1038, 1211, 2422, 3023, 3633, 6046, 7266, 9069, 18138, 21161, 42322, 63483, 126966, 522979, 1045958, 1568937, 3137874, 3660853, 7321706, 10982559, 21965118]

約数ペア:

[(1, 21965118), (2, 10982559), (3, 7321706), (6, 3660853), (7, 3137874), (14, 1568937), (21, 1045958), (42, 522979), (173, 126966), (346, 63483), (519, 42322), (1038, 21161), (1211, 18138), (2422, 9069), (3023, 7266), (3633, 6046)]