21959424

素因数分解:

$2^8\times 3^5\times {\mathrm{353}}^1$

素因数の和:384

約数の個数: 108

約数和(自身を含む): 65845416

約数和(自身を除く): 43885992

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 64, 72, 81, 96, 108, 128, 144, 162, 192, 216, 243, 256, 288, 324, 353, 384, 432, 486, 576, 648, 706, 768, 864, 972, 1059, 1152, 1296, 1412, 1728, 1944, 2118, 2304, 2592, 2824, 3177, 3456, 3888, 4236, 5184, 5648, 6354, 6912, 7776, 8472, 9531, 10368, 11296, 12708, 15552, 16944, 19062, 20736, 22592, 25416, 28593, 31104, 33888, 38124, 45184, 50832, 57186, 62208, 67776, 76248, 85779, 90368, 101664, 114372, 135552, 152496, 171558, 203328, 228744, 271104, 304992, 343116, 406656, 457488, 609984, 686232, 813312, 914976, 1219968, 1372464, 1829952, 2439936, 2744928, 3659904, 5489856, 7319808, 10979712, 21959424]

約数ペア:

[(1, 21959424), (2, 10979712), (3, 7319808), (4, 5489856), (6, 3659904), (8, 2744928), (9, 2439936), (12, 1829952), (16, 1372464), (18, 1219968), (24, 914976), (27, 813312), (32, 686232), (36, 609984), (48, 457488), (54, 406656), (64, 343116), (72, 304992), (81, 271104), (96, 228744), (108, 203328), (128, 171558), (144, 152496), (162, 135552), (192, 114372), (216, 101664), (243, 90368), (256, 85779), (288, 76248), (324, 67776), (353, 62208), (384, 57186), (432, 50832), (486, 45184), (576, 38124), (648, 33888), (706, 31104), (768, 28593), (864, 25416), (972, 22592), (1059, 20736), (1152, 19062), (1296, 16944), (1412, 15552), (1728, 12708), (1944, 11296), (2118, 10368), (2304, 9531), (2592, 8472), (2824, 7776), (3177, 6912), (3456, 6354), (3888, 5648), (4236, 5184)]