21642236

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{2423}}^1$

素因数の和:2474

約数の個数: 48

約数和(自身を含む): 48867840

約数和(自身を除く): 27225604

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 29, 44, 58, 77, 116, 154, 203, 308, 319, 406, 638, 812, 1276, 2233, 2423, 4466, 4846, 8932, 9692, 16961, 26653, 33922, 53306, 67844, 70267, 106612, 140534, 186571, 281068, 373142, 491869, 746284, 772937, 983738, 1545874, 1967476, 3091748, 5410559, 10821118, 21642236]

約数ペア:

[(1, 21642236), (2, 10821118), (4, 5410559), (7, 3091748), (11, 1967476), (14, 1545874), (22, 983738), (28, 772937), (29, 746284), (44, 491869), (58, 373142), (77, 281068), (116, 186571), (154, 140534), (203, 106612), (308, 70267), (319, 67844), (406, 53306), (638, 33922), (812, 26653), (1276, 16961), (2233, 9692), (2423, 8932), (4466, 4846)]