21187872

素因数分解:

$2^5\times 3^3\times {\mathrm{137}}^1\times {\mathrm{179}}^1$

素因数の和:335

約数の個数: 96

約数和(自身を含む): 62596800

約数和(自身を除く): 41408928

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 72, 96, 108, 137, 144, 179, 216, 274, 288, 358, 411, 432, 537, 548, 716, 822, 864, 1074, 1096, 1233, 1432, 1611, 1644, 2148, 2192, 2466, 2864, 3222, 3288, 3699, 4296, 4384, 4833, 4932, 5728, 6444, 6576, 7398, 8592, 9666, 9864, 12888, 13152, 14796, 17184, 19332, 19728, 24523, 25776, 29592, 38664, 39456, 49046, 51552, 59184, 73569, 77328, 98092, 118368, 147138, 154656, 196184, 220707, 294276, 392368, 441414, 588552, 662121, 784736, 882828, 1177104, 1324242, 1765656, 2354208, 2648484, 3531312, 5296968, 7062624, 10593936, 21187872]

約数ペア:

[(1, 21187872), (2, 10593936), (3, 7062624), (4, 5296968), (6, 3531312), (8, 2648484), (9, 2354208), (12, 1765656), (16, 1324242), (18, 1177104), (24, 882828), (27, 784736), (32, 662121), (36, 588552), (48, 441414), (54, 392368), (72, 294276), (96, 220707), (108, 196184), (137, 154656), (144, 147138), (179, 118368), (216, 98092), (274, 77328), (288, 73569), (358, 59184), (411, 51552), (432, 49046), (537, 39456), (548, 38664), (716, 29592), (822, 25776), (864, 24523), (1074, 19728), (1096, 19332), (1233, 17184), (1432, 14796), (1611, 13152), (1644, 12888), (2148, 9864), (2192, 9666), (2466, 8592), (2864, 7398), (3222, 6576), (3288, 6444), (3699, 5728), (4296, 4932), (4384, 4833)]