21605122

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{239}}^1\times {\mathrm{587}}^1$

素因数の和:846

約数の個数: 32

約数和(自身を含む): 40642560

約数和(自身を除く): 19037438

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 239, 478, 587, 1174, 1673, 2629, 3346, 4109, 5258, 6457, 8218, 12914, 18403, 36806, 45199, 90398, 140293, 280586, 982051, 1543223, 1964102, 3086446, 10802561, 21605122]

約数ペア:

[(1, 21605122), (2, 10802561), (7, 3086446), (11, 1964102), (14, 1543223), (22, 982051), (77, 280586), (154, 140293), (239, 90398), (478, 45199), (587, 36806), (1174, 18403), (1673, 12914), (2629, 8218), (3346, 6457), (4109, 5258)]