21000918096

素因数分解:

$2^4\times 3^2\times {\mathrm{2777}}^1\times {\mathrm{52517}}^1$

素因数の和:55308

約数の個数: 60

約数和(自身を含む): 58795686612

約数和(自身を除く): 37794768516

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 2777, 5554, 8331, 11108, 16662, 22216, 24993, 33324, 44432, 49986, 52517, 66648, 99972, 105034, 133296, 157551, 199944, 210068, 315102, 399888, 420136, 472653, 630204, 840272, 945306, 1260408, 1890612, 2520816, 3781224, 7562448, 145839709, 291679418, 437519127, 583358836, 875038254, 1166717672, 1312557381, 1750076508, 2333435344, 2625114762, 3500153016, 5250229524, 7000306032, 10500459048, 21000918096]

約数ペア:

[(1, 21000918096), (2, 10500459048), (3, 7000306032), (4, 5250229524), (6, 3500153016), (8, 2625114762), (9, 2333435344), (12, 1750076508), (16, 1312557381), (18, 1166717672), (24, 875038254), (36, 583358836), (48, 437519127), (72, 291679418), (144, 145839709), (2777, 7562448), (5554, 3781224), (8331, 2520816), (11108, 1890612), (16662, 1260408), (22216, 945306), (24993, 840272), (33324, 630204), (44432, 472653), (49986, 420136), (52517, 399888), (66648, 315102), (99972, 210068), (105034, 199944), (133296, 157551)]