21698208

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{229}}^1$

素因数の和:299

約数の個数: 144

約数和(自身を含む): 72334080

約数和(自身を除く): 50635872

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 47, 48, 56, 63, 72, 84, 94, 96, 112, 126, 141, 144, 168, 188, 224, 229, 252, 282, 288, 329, 336, 376, 423, 458, 504, 564, 658, 672, 687, 752, 846, 916, 987, 1008, 1128, 1316, 1374, 1504, 1603, 1692, 1832, 1974, 2016, 2061, 2256, 2632, 2748, 2961, 3206, 3384, 3664, 3948, 4122, 4512, 4809, 5264, 5496, 5922, 6412, 6768, 7328, 7896, 8244, 9618, 10528, 10763, 10992, 11844, 12824, 13536, 14427, 15792, 16488, 19236, 21526, 21984, 23688, 25648, 28854, 31584, 32289, 32976, 38472, 43052, 47376, 51296, 57708, 64578, 65952, 75341, 76944, 86104, 94752, 96867, 115416, 129156, 150682, 153888, 172208, 193734, 226023, 230832, 258312, 301364, 344416, 387468, 452046, 461664, 516624, 602728, 678069, 774936, 904092, 1033248, 1205456, 1356138, 1549872, 1808184, 2410912, 2712276, 3099744, 3616368, 5424552, 7232736, 10849104, 21698208]

約数ペア:

[(1, 21698208), (2, 10849104), (3, 7232736), (4, 5424552), (6, 3616368), (7, 3099744), (8, 2712276), (9, 2410912), (12, 1808184), (14, 1549872), (16, 1356138), (18, 1205456), (21, 1033248), (24, 904092), (28, 774936), (32, 678069), (36, 602728), (42, 516624), (47, 461664), (48, 452046), (56, 387468), (63, 344416), (72, 301364), (84, 258312), (94, 230832), (96, 226023), (112, 193734), (126, 172208), (141, 153888), (144, 150682), (168, 129156), (188, 115416), (224, 96867), (229, 94752), (252, 86104), (282, 76944), (288, 75341), (329, 65952), (336, 64578), (376, 57708), (423, 51296), (458, 47376), (504, 43052), (564, 38472), (658, 32976), (672, 32289), (687, 31584), (752, 28854), (846, 25648), (916, 23688), (987, 21984), (1008, 21526), (1128, 19236), (1316, 16488), (1374, 15792), (1504, 14427), (1603, 13536), (1692, 12824), (1832, 11844), (1974, 10992), (2016, 10763), (2061, 10528), (2256, 9618), (2632, 8244), (2748, 7896), (2961, 7328), (3206, 6768), (3384, 6412), (3664, 5922), (3948, 5496), (4122, 5264), (4512, 4809)]