21671538

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{347}}^1\times {\mathrm{1487}}^1$

素因数の和:1846

約数の個数: 32

約数和(自身を含む): 49711104

約数和(自身を除く): 28039566

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 347, 694, 1041, 1487, 2082, 2429, 2974, 4461, 4858, 7287, 8922, 10409, 14574, 20818, 31227, 62454, 515989, 1031978, 1547967, 3095934, 3611923, 7223846, 10835769, 21671538]

約数ペア:

[(1, 21671538), (2, 10835769), (3, 7223846), (6, 3611923), (7, 3095934), (14, 1547967), (21, 1031978), (42, 515989), (347, 62454), (694, 31227), (1041, 20818), (1487, 14574), (2082, 10409), (2429, 8922), (2974, 7287), (4461, 4858)]