21143696

素因数分解:

$2^4\times 7^2\times {\mathrm{149}}^1\times {\mathrm{181}}^1$

素因数の和:352

約数の個数: 60

約数和(自身を含む): 48239100

約数和(自身を除く): 27095404

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 149, 181, 196, 298, 362, 392, 596, 724, 784, 1043, 1192, 1267, 1448, 2086, 2384, 2534, 2896, 4172, 5068, 7301, 8344, 8869, 10136, 14602, 16688, 17738, 20272, 26969, 29204, 35476, 53938, 58408, 70952, 107876, 116816, 141904, 188783, 215752, 377566, 431504, 755132, 1321481, 1510264, 2642962, 3020528, 5285924, 10571848, 21143696]

約数ペア:

[(1, 21143696), (2, 10571848), (4, 5285924), (7, 3020528), (8, 2642962), (14, 1510264), (16, 1321481), (28, 755132), (49, 431504), (56, 377566), (98, 215752), (112, 188783), (149, 141904), (181, 116816), (196, 107876), (298, 70952), (362, 58408), (392, 53938), (596, 35476), (724, 29204), (784, 26969), (1043, 20272), (1192, 17738), (1267, 16688), (1448, 14602), (2086, 10136), (2384, 8869), (2534, 8344), (2896, 7301), (4172, 5068)]