21751398

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{2293}}^1$

素因数の和:2349

約数の個数: 48

約数和(自身を含む): 51532416

約数和(自身を除く): 29781018

約数列:

[1, 2, 3, 6, 9, 17, 18, 31, 34, 51, 62, 93, 102, 153, 186, 279, 306, 527, 558, 1054, 1581, 2293, 3162, 4586, 4743, 6879, 9486, 13758, 20637, 38981, 41274, 71083, 77962, 116943, 142166, 213249, 233886, 350829, 426498, 639747, 701658, 1208411, 1279494, 2416822, 3625233, 7250466, 10875699, 21751398]

約数ペア:

[(1, 21751398), (2, 10875699), (3, 7250466), (6, 3625233), (9, 2416822), (17, 1279494), (18, 1208411), (31, 701658), (34, 639747), (51, 426498), (62, 350829), (93, 233886), (102, 213249), (153, 142166), (186, 116943), (279, 77962), (306, 71083), (527, 41274), (558, 38981), (1054, 20637), (1581, 13758), (2293, 9486), (3162, 6879), (4586, 4743)]