21946938

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{251}}^1$

素因数の和:347

約数の個数: 64

約数和(自身を含む): 50803200

約数和(自身を除く): 28856262

約数列:

[1, 2, 3, 6, 13, 19, 26, 38, 39, 57, 59, 78, 114, 118, 177, 247, 251, 354, 494, 502, 741, 753, 767, 1121, 1482, 1506, 1534, 2242, 2301, 3263, 3363, 4602, 4769, 6526, 6726, 9538, 9789, 14307, 14573, 14809, 19578, 28614, 29146, 29618, 43719, 44427, 61997, 87438, 88854, 123994, 185991, 192517, 281371, 371982, 385034, 562742, 577551, 844113, 1155102, 1688226, 3657823, 7315646, 10973469, 21946938]

約数ペア:

[(1, 21946938), (2, 10973469), (3, 7315646), (6, 3657823), (13, 1688226), (19, 1155102), (26, 844113), (38, 577551), (39, 562742), (57, 385034), (59, 371982), (78, 281371), (114, 192517), (118, 185991), (177, 123994), (247, 88854), (251, 87438), (354, 61997), (494, 44427), (502, 43719), (741, 29618), (753, 29146), (767, 28614), (1121, 19578), (1482, 14809), (1506, 14573), (1534, 14307), (2242, 9789), (2301, 9538), (3263, 6726), (3363, 6526), (4602, 4769)]