21653844

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{1301}}^1$

素因数の和:1400

約数の個数: 48

約数和(自身を含む): 53954880

約数和(自身を除く): 32301036

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 57, 73, 76, 114, 146, 219, 228, 292, 438, 876, 1301, 1387, 2602, 2774, 3903, 4161, 5204, 5548, 7806, 8322, 15612, 16644, 24719, 49438, 74157, 94973, 98876, 148314, 189946, 284919, 296628, 379892, 569838, 1139676, 1804487, 3608974, 5413461, 7217948, 10826922, 21653844]

約数ペア:

[(1, 21653844), (2, 10826922), (3, 7217948), (4, 5413461), (6, 3608974), (12, 1804487), (19, 1139676), (38, 569838), (57, 379892), (73, 296628), (76, 284919), (114, 189946), (146, 148314), (219, 98876), (228, 94973), (292, 74157), (438, 49438), (876, 24719), (1301, 16644), (1387, 15612), (2602, 8322), (2774, 7806), (3903, 5548), (4161, 5204)]