21857808

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{65053}}^1$

素因数の和:65071

約数の個数: 40

約数和(自身を含む): 64533568

約数和(自身を除く): 42675760

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 65053, 130106, 195159, 260212, 390318, 455371, 520424, 780636, 910742, 1040848, 1366113, 1561272, 1821484, 2732226, 3122544, 3642968, 5464452, 7285936, 10928904, 21857808]

約数ペア:

[(1, 21857808), (2, 10928904), (3, 7285936), (4, 5464452), (6, 3642968), (7, 3122544), (8, 2732226), (12, 1821484), (14, 1561272), (16, 1366113), (21, 1040848), (24, 910742), (28, 780636), (42, 520424), (48, 455371), (56, 390318), (84, 260212), (112, 195159), (168, 130106), (336, 65053)]