21495958

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{733}}^1$

素因数の和:820

約数の個数: 32

約数和(自身を含む): 37204992

約数和(自身を除く): 15709034

約数列:

[1, 2, 11, 22, 31, 43, 62, 86, 341, 473, 682, 733, 946, 1333, 1466, 2666, 8063, 14663, 16126, 22723, 29326, 31519, 45446, 63038, 249953, 346709, 499906, 693418, 977089, 1954178, 10747979, 21495958]

約数ペア:

[(1, 21495958), (2, 10747979), (11, 1954178), (22, 977089), (31, 693418), (43, 499906), (62, 346709), (86, 249953), (341, 63038), (473, 45446), (682, 31519), (733, 29326), (946, 22723), (1333, 16126), (1466, 14663), (2666, 8063)]