20211408

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{20051}}^1$

素因数の和:20072

約数の個数: 60

約数和(自身を含む): 64647648

約数和(自身を除く): 44436240

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 42, 48, 56, 63, 72, 84, 112, 126, 144, 168, 252, 336, 504, 1008, 20051, 40102, 60153, 80204, 120306, 140357, 160408, 180459, 240612, 280714, 320816, 360918, 421071, 481224, 561428, 721836, 842142, 962448, 1122856, 1263213, 1443672, 1684284, 2245712, 2526426, 2887344, 3368568, 5052852, 6737136, 10105704, 20211408]

約数ペア:

[(1, 20211408), (2, 10105704), (3, 6737136), (4, 5052852), (6, 3368568), (7, 2887344), (8, 2526426), (9, 2245712), (12, 1684284), (14, 1443672), (16, 1263213), (18, 1122856), (21, 962448), (24, 842142), (28, 721836), (36, 561428), (42, 481224), (48, 421071), (56, 360918), (63, 320816), (72, 280714), (84, 240612), (112, 180459), (126, 160408), (144, 140357), (168, 120306), (252, 80204), (336, 60153), (504, 40102), (1008, 20051)]