21787982

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{107}}^1\times {\mathrm{113}}^1$

素因数の和:292

約数の個数: 32

約数和(自身を含む): 35901792

約数和(自身を除く): 14113810

約数列:

[1, 2, 17, 34, 53, 106, 107, 113, 214, 226, 901, 1802, 1819, 1921, 3638, 3842, 5671, 5989, 11342, 11978, 12091, 24182, 96407, 101813, 192814, 203626, 205547, 411094, 640823, 1281646, 10893991, 21787982]

約数ペア:

[(1, 21787982), (2, 10893991), (17, 1281646), (34, 640823), (53, 411094), (106, 205547), (107, 203626), (113, 192814), (214, 101813), (226, 96407), (901, 24182), (1802, 12091), (1819, 11978), (1921, 11342), (3638, 5989), (3842, 5671)]