21527744

素因数分解:

$2^6\times 7^1\times {\mathrm{29}}^1\times {\mathrm{1657}}^1$

素因数の和:1705

約数の個数: 56

約数和(自身を含む): 50535840

約数和(自身を除く): 29008096

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 29, 32, 56, 58, 64, 112, 116, 203, 224, 232, 406, 448, 464, 812, 928, 1624, 1657, 1856, 3248, 3314, 6496, 6628, 11599, 12992, 13256, 23198, 26512, 46396, 48053, 53024, 92792, 96106, 106048, 185584, 192212, 336371, 371168, 384424, 672742, 742336, 768848, 1345484, 1537696, 2690968, 3075392, 5381936, 10763872, 21527744]

約数ペア:

[(1, 21527744), (2, 10763872), (4, 5381936), (7, 3075392), (8, 2690968), (14, 1537696), (16, 1345484), (28, 768848), (29, 742336), (32, 672742), (56, 384424), (58, 371168), (64, 336371), (112, 192212), (116, 185584), (203, 106048), (224, 96106), (232, 92792), (406, 53024), (448, 48053), (464, 46396), (812, 26512), (928, 23198), (1624, 13256), (1657, 12992), (1856, 11599), (3248, 6628), (3314, 6496)]