21098077358

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{191}}^1\times {\mathrm{421}}^1\times {\mathrm{7717}}^1$

素因数の和:8348

約数の個数: 32

約数和(自身を含む): 33768534528

約数和(自身を除く): 12670457170

約数列:

[1, 2, 17, 34, 191, 382, 421, 842, 3247, 6494, 7157, 7717, 14314, 15434, 80411, 131189, 160822, 262378, 1366987, 1473947, 2733974, 2947894, 3248857, 6497714, 25057099, 50114198, 55230569, 110461138, 620531687, 1241063374, 10549038679, 21098077358]

約数ペア:

[(1, 21098077358), (2, 10549038679), (17, 1241063374), (34, 620531687), (191, 110461138), (382, 55230569), (421, 50114198), (842, 25057099), (3247, 6497714), (6494, 3248857), (7157, 2947894), (7717, 2733974), (14314, 1473947), (15434, 1366987), (80411, 262378), (131189, 160822)]