21500940996

素因数分解:

$2^2\times 3^4\times {\mathrm{53}}^1\times {\mathrm{127}}^1\times {\mathrm{9859}}^1$

素因数の和:10055

約数の個数: 120

約数和(自身を含む): 57725015040

約数和(自身を除く): 36224074044

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 53, 54, 81, 106, 108, 127, 159, 162, 212, 254, 318, 324, 381, 477, 508, 636, 762, 954, 1143, 1431, 1524, 1908, 2286, 2862, 3429, 4293, 4572, 5724, 6731, 6858, 8586, 9859, 10287, 13462, 13716, 17172, 19718, 20193, 20574, 26924, 29577, 39436, 40386, 41148, 59154, 60579, 80772, 88731, 118308, 121158, 177462, 181737, 242316, 266193, 354924, 363474, 522527, 532386, 545211, 726948, 798579, 1045054, 1064772, 1090422, 1252093, 1567581, 1597158, 2090108, 2180844, 2504186, 3135162, 3194316, 3756279, 4702743, 5008372, 6270324, 7512558, 9405486, 11268837, 14108229, 15025116, 18810972, 22537674, 28216458, 33806511, 42324687, 45075348, 56432916, 66360929, 67613022, 84649374, 101419533, 132721858, 135226044, 169298748, 199082787, 202839066, 265443716, 398165574, 405678132, 597248361, 796331148, 1194496722, 1791745083, 2388993444, 3583490166, 5375235249, 7166980332, 10750470498, 21500940996]

約数ペア:

[(1, 21500940996), (2, 10750470498), (3, 7166980332), (4, 5375235249), (6, 3583490166), (9, 2388993444), (12, 1791745083), (18, 1194496722), (27, 796331148), (36, 597248361), (53, 405678132), (54, 398165574), (81, 265443716), (106, 202839066), (108, 199082787), (127, 169298748), (159, 135226044), (162, 132721858), (212, 101419533), (254, 84649374), (318, 67613022), (324, 66360929), (381, 56432916), (477, 45075348), (508, 42324687), (636, 33806511), (762, 28216458), (954, 22537674), (1143, 18810972), (1431, 15025116), (1524, 14108229), (1908, 11268837), (2286, 9405486), (2862, 7512558), (3429, 6270324), (4293, 5008372), (4572, 4702743), (5724, 3756279), (6731, 3194316), (6858, 3135162), (8586, 2504186), (9859, 2180844), (10287, 2090108), (13462, 1597158), (13716, 1567581), (17172, 1252093), (19718, 1090422), (20193, 1064772), (20574, 1045054), (26924, 798579), (29577, 726948), (39436, 545211), (40386, 532386), (41148, 522527), (59154, 363474), (60579, 354924), (80772, 266193), (88731, 242316), (118308, 181737), (121158, 177462)]