21366226

素因数分解:

$2^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1\times {\mathrm{197}}^1$

素因数の和:394

約数の個数: 32

約数和(自身を含む): 37711872

約数和(自身を除く): 16345646

約数列:

[1, 2, 7, 14, 61, 122, 127, 197, 254, 394, 427, 854, 889, 1379, 1778, 2758, 7747, 12017, 15494, 24034, 25019, 50038, 54229, 84119, 108458, 168238, 175133, 350266, 1526159, 3052318, 10683113, 21366226]

約数ペア:

[(1, 21366226), (2, 10683113), (7, 3052318), (14, 1526159), (61, 350266), (122, 175133), (127, 168238), (197, 108458), (254, 84119), (394, 54229), (427, 50038), (854, 25019), (889, 24034), (1379, 15494), (1778, 12017), (2758, 7747)]