21000503464

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{433}}^1\times {\mathrm{13873}}^1$

素因数の和:14354

約数の個数: 64

約数和(自身を含む): 43353475200

約数和(自身を除く): 22352971736

約数列:

[1, 2, 4, 8, 19, 23, 38, 46, 76, 92, 152, 184, 433, 437, 866, 874, 1732, 1748, 3464, 3496, 8227, 9959, 13873, 16454, 19918, 27746, 32908, 39836, 55492, 65816, 79672, 110984, 189221, 263587, 319079, 378442, 527174, 638158, 756884, 1054348, 1276316, 1513768, 2108696, 2552632, 6007009, 6062501, 12014018, 12125002, 24028036, 24250004, 48056072, 48500008, 114133171, 138161207, 228266342, 276322414, 456532684, 552644828, 913065368, 1105289656, 2625062933, 5250125866, 10500251732, 21000503464]

約数ペア:

[(1, 21000503464), (2, 10500251732), (4, 5250125866), (8, 2625062933), (19, 1105289656), (23, 913065368), (38, 552644828), (46, 456532684), (76, 276322414), (92, 228266342), (152, 138161207), (184, 114133171), (433, 48500008), (437, 48056072), (866, 24250004), (874, 24028036), (1732, 12125002), (1748, 12014018), (3464, 6062501), (3496, 6007009), (8227, 2552632), (9959, 2108696), (13873, 1513768), (16454, 1276316), (19918, 1054348), (27746, 756884), (32908, 638158), (39836, 527174), (55492, 378442), (65816, 319079), (79672, 263587), (110984, 189221)]