21828416

素因数分解:

$2^6\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{619}}^1$

素因数の和:679

約数の個数: 56

約数和(自身を含む): 47244000

約数和(自身を除く): 25415584

約数列:

[1, 2, 4, 8, 16, 19, 29, 32, 38, 58, 64, 76, 116, 152, 232, 304, 464, 551, 608, 619, 928, 1102, 1216, 1238, 1856, 2204, 2476, 4408, 4952, 8816, 9904, 11761, 17632, 17951, 19808, 23522, 35264, 35902, 39616, 47044, 71804, 94088, 143608, 188176, 287216, 341069, 376352, 574432, 682138, 752704, 1148864, 1364276, 2728552, 5457104, 10914208, 21828416]

約数ペア:

[(1, 21828416), (2, 10914208), (4, 5457104), (8, 2728552), (16, 1364276), (19, 1148864), (29, 752704), (32, 682138), (38, 574432), (58, 376352), (64, 341069), (76, 287216), (116, 188176), (152, 143608), (232, 94088), (304, 71804), (464, 47044), (551, 39616), (608, 35902), (619, 35264), (928, 23522), (1102, 19808), (1216, 17951), (1238, 17632), (1856, 11761), (2204, 9904), (2476, 8816), (4408, 4952)]