21355164

素因数分解:

$2^2\times 3^4\times {\mathrm{19}}^1\times {\mathrm{3469}}^1$

素因数の和:3504

約数の個数: 60

約数和(自身を含む): 58781800

約数和(自身を除く): 37426636

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 27, 36, 38, 54, 57, 76, 81, 108, 114, 162, 171, 228, 324, 342, 513, 684, 1026, 1539, 2052, 3078, 3469, 6156, 6938, 10407, 13876, 20814, 31221, 41628, 62442, 65911, 93663, 124884, 131822, 187326, 197733, 263644, 280989, 374652, 395466, 561978, 593199, 790932, 1123956, 1186398, 1779597, 2372796, 3559194, 5338791, 7118388, 10677582, 21355164]

約数ペア:

[(1, 21355164), (2, 10677582), (3, 7118388), (4, 5338791), (6, 3559194), (9, 2372796), (12, 1779597), (18, 1186398), (19, 1123956), (27, 790932), (36, 593199), (38, 561978), (54, 395466), (57, 374652), (76, 280989), (81, 263644), (108, 197733), (114, 187326), (162, 131822), (171, 124884), (228, 93663), (324, 65911), (342, 62442), (513, 41628), (684, 31221), (1026, 20814), (1539, 13876), (2052, 10407), (3078, 6938), (3469, 6156)]