21113532

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{131}}^1$

素因数の和:200

約数の個数: 108

約数和(自身を含む): 60708648

約数和(自身を除く): 39595116

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 37, 44, 66, 74, 99, 111, 121, 131, 132, 148, 198, 222, 242, 262, 333, 363, 393, 396, 407, 444, 484, 524, 666, 726, 786, 814, 1089, 1179, 1221, 1332, 1441, 1452, 1572, 1628, 2178, 2358, 2442, 2882, 3663, 4323, 4356, 4477, 4716, 4847, 4884, 5764, 7326, 8646, 8954, 9694, 12969, 13431, 14541, 14652, 15851, 17292, 17908, 19388, 25938, 26862, 29082, 31702, 40293, 43623, 47553, 51876, 53317, 53724, 58164, 63404, 80586, 87246, 95106, 106634, 142659, 159951, 161172, 174492, 190212, 213268, 285318, 319902, 479853, 570636, 586487, 639804, 959706, 1172974, 1759461, 1919412, 2345948, 3518922, 5278383, 7037844, 10556766, 21113532]

約数ペア:

[(1, 21113532), (2, 10556766), (3, 7037844), (4, 5278383), (6, 3518922), (9, 2345948), (11, 1919412), (12, 1759461), (18, 1172974), (22, 959706), (33, 639804), (36, 586487), (37, 570636), (44, 479853), (66, 319902), (74, 285318), (99, 213268), (111, 190212), (121, 174492), (131, 161172), (132, 159951), (148, 142659), (198, 106634), (222, 95106), (242, 87246), (262, 80586), (333, 63404), (363, 58164), (393, 53724), (396, 53317), (407, 51876), (444, 47553), (484, 43623), (524, 40293), (666, 31702), (726, 29082), (786, 26862), (814, 25938), (1089, 19388), (1179, 17908), (1221, 17292), (1332, 15851), (1441, 14652), (1452, 14541), (1572, 13431), (1628, 12969), (2178, 9694), (2358, 8954), (2442, 8646), (2882, 7326), (3663, 5764), (4323, 4884), (4356, 4847), (4477, 4716)]