21365424

素因数分解:

$2^4\times 3^3\times {\mathrm{19}}^2\times {\mathrm{137}}^1$

素因数の和:192

約数の個数: 120

約数和(自身を含む): 65196720

約数和(自身を除く): 43831296

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 27, 36, 38, 48, 54, 57, 72, 76, 108, 114, 137, 144, 152, 171, 216, 228, 274, 304, 342, 361, 411, 432, 456, 513, 548, 684, 722, 822, 912, 1026, 1083, 1096, 1233, 1368, 1444, 1644, 2052, 2166, 2192, 2466, 2603, 2736, 2888, 3249, 3288, 3699, 4104, 4332, 4932, 5206, 5776, 6498, 6576, 7398, 7809, 8208, 8664, 9747, 9864, 10412, 12996, 14796, 15618, 17328, 19494, 19728, 20824, 23427, 25992, 29592, 31236, 38988, 41648, 46854, 49457, 51984, 59184, 62472, 70281, 77976, 93708, 98914, 124944, 140562, 148371, 155952, 187416, 197828, 281124, 296742, 374832, 395656, 445113, 562248, 593484, 791312, 890226, 1124496, 1186968, 1335339, 1780452, 2373936, 2670678, 3560904, 5341356, 7121808, 10682712, 21365424]

約数ペア:

[(1, 21365424), (2, 10682712), (3, 7121808), (4, 5341356), (6, 3560904), (8, 2670678), (9, 2373936), (12, 1780452), (16, 1335339), (18, 1186968), (19, 1124496), (24, 890226), (27, 791312), (36, 593484), (38, 562248), (48, 445113), (54, 395656), (57, 374832), (72, 296742), (76, 281124), (108, 197828), (114, 187416), (137, 155952), (144, 148371), (152, 140562), (171, 124944), (216, 98914), (228, 93708), (274, 77976), (304, 70281), (342, 62472), (361, 59184), (411, 51984), (432, 49457), (456, 46854), (513, 41648), (548, 38988), (684, 31236), (722, 29592), (822, 25992), (912, 23427), (1026, 20824), (1083, 19728), (1096, 19494), (1233, 17328), (1368, 15618), (1444, 14796), (1644, 12996), (2052, 10412), (2166, 9864), (2192, 9747), (2466, 8664), (2603, 8208), (2736, 7809), (2888, 7398), (3249, 6576), (3288, 6498), (3699, 5776), (4104, 5206), (4332, 4932)]