21183506176

素因数分解:

$2^8\times 7^1\times {\mathrm{1709}}^1\times {\mathrm{6917}}^1$

素因数の和:8649

約数の個数: 72

約数和(自身を含む): 48360140640

約数和(自身を除く): 27176634464

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 448, 896, 1709, 1792, 3418, 6836, 6917, 11963, 13672, 13834, 23926, 27344, 27668, 47852, 48419, 54688, 55336, 95704, 96838, 109376, 110672, 191408, 193676, 218752, 221344, 382816, 387352, 437504, 442688, 765632, 774704, 885376, 1531264, 1549408, 1770752, 3062528, 3098816, 6197632, 11821153, 12395264, 23642306, 47284612, 82748071, 94569224, 165496142, 189138448, 330992284, 378276896, 661984568, 756553792, 1323969136, 1513107584, 2647938272, 3026215168, 5295876544, 10591753088, 21183506176]

約数ペア:

[(1, 21183506176), (2, 10591753088), (4, 5295876544), (7, 3026215168), (8, 2647938272), (14, 1513107584), (16, 1323969136), (28, 756553792), (32, 661984568), (56, 378276896), (64, 330992284), (112, 189138448), (128, 165496142), (224, 94569224), (256, 82748071), (448, 47284612), (896, 23642306), (1709, 12395264), (1792, 11821153), (3418, 6197632), (6836, 3098816), (6917, 3062528), (11963, 1770752), (13672, 1549408), (13834, 1531264), (23926, 885376), (27344, 774704), (27668, 765632), (47852, 442688), (48419, 437504), (54688, 387352), (55336, 382816), (95704, 221344), (96838, 218752), (109376, 193676), (110672, 191408)]