21919632

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{733}}^1$

素因数の和:840

約数の個数: 80

約数和(自身を含む): 65531520

約数和(自身を除く): 43611888

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 89, 112, 168, 178, 267, 336, 356, 534, 623, 712, 733, 1068, 1246, 1424, 1466, 1869, 2136, 2199, 2492, 2932, 3738, 4272, 4398, 4984, 5131, 5864, 7476, 8796, 9968, 10262, 11728, 14952, 15393, 17592, 20524, 29904, 30786, 35184, 41048, 61572, 65237, 82096, 123144, 130474, 195711, 246288, 260948, 391422, 456659, 521896, 782844, 913318, 1043792, 1369977, 1565688, 1826636, 2739954, 3131376, 3653272, 5479908, 7306544, 10959816, 21919632]

約数ペア:

[(1, 21919632), (2, 10959816), (3, 7306544), (4, 5479908), (6, 3653272), (7, 3131376), (8, 2739954), (12, 1826636), (14, 1565688), (16, 1369977), (21, 1043792), (24, 913318), (28, 782844), (42, 521896), (48, 456659), (56, 391422), (84, 260948), (89, 246288), (112, 195711), (168, 130474), (178, 123144), (267, 82096), (336, 65237), (356, 61572), (534, 41048), (623, 35184), (712, 30786), (733, 29904), (1068, 20524), (1246, 17592), (1424, 15393), (1466, 14952), (1869, 11728), (2136, 10262), (2199, 9968), (2492, 8796), (2932, 7476), (3738, 5864), (4272, 5131), (4398, 4984)]