21707348

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{173}}^1$

素因数の和:336

約数の個数: 48

約数和(自身を含む): 43653120

約数和(自身を除く): 21945772

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 127, 173, 247, 254, 346, 494, 508, 692, 988, 1651, 2249, 2413, 3287, 3302, 4498, 4826, 6574, 6604, 8996, 9652, 13148, 21971, 31369, 42731, 43942, 62738, 85462, 87884, 125476, 170924, 285623, 417449, 571246, 834898, 1142492, 1669796, 5426837, 10853674, 21707348]

約数ペア:

[(1, 21707348), (2, 10853674), (4, 5426837), (13, 1669796), (19, 1142492), (26, 834898), (38, 571246), (52, 417449), (76, 285623), (127, 170924), (173, 125476), (247, 87884), (254, 85462), (346, 62738), (494, 43942), (508, 42731), (692, 31369), (988, 21971), (1651, 13148), (2249, 9652), (2413, 8996), (3287, 6604), (3302, 6574), (4498, 4826)]