21464142

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{6469}}^1$

素因数の和:6560

約数の個数: 32

約数和(自身を含む): 49689600

約数和(自身を除く): 28225458

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 79, 158, 237, 474, 553, 1106, 1659, 3318, 6469, 12938, 19407, 38814, 45283, 90566, 135849, 271698, 511051, 1022102, 1533153, 3066306, 3577357, 7154714, 10732071, 21464142]

約数ペア:

[(1, 21464142), (2, 10732071), (3, 7154714), (6, 3577357), (7, 3066306), (14, 1533153), (21, 1022102), (42, 511051), (79, 271698), (158, 135849), (237, 90566), (474, 45283), (553, 38814), (1106, 19407), (1659, 12938), (3318, 6469)]