21859214

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{547}}^1$

素因数の和:644

約数の個数: 32

約数和(自身を含む): 37285920

約数和(自身を除く): 15426706

約数列:

[1, 2, 13, 26, 29, 53, 58, 106, 377, 547, 689, 754, 1094, 1378, 1537, 3074, 7111, 14222, 15863, 19981, 28991, 31726, 39962, 57982, 206219, 376883, 412438, 753766, 840739, 1681478, 10929607, 21859214]

約数ペア:

[(1, 21859214), (2, 10929607), (13, 1681478), (26, 840739), (29, 753766), (53, 412438), (58, 376883), (106, 206219), (377, 57982), (547, 39962), (689, 31726), (754, 28991), (1094, 19981), (1378, 15863), (1537, 14222), (3074, 7111)]