21928698

素因数分解:

$2^1\times 3^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1$

素因数の和:137

約数の個数: 128

約数和(自身を含む): 58752000

約数和(自身を除く): 36823302

約数列:

[1, 2, 3, 6, 9, 11, 18, 19, 22, 27, 29, 33, 38, 54, 57, 58, 66, 67, 87, 99, 114, 134, 171, 174, 198, 201, 209, 261, 297, 319, 342, 402, 418, 513, 522, 551, 594, 603, 627, 638, 737, 783, 957, 1026, 1102, 1206, 1254, 1273, 1474, 1566, 1653, 1809, 1881, 1914, 1943, 2211, 2546, 2871, 3306, 3618, 3762, 3819, 3886, 4422, 4959, 5643, 5742, 5829, 6061, 6633, 7638, 8613, 9918, 11286, 11457, 11658, 12122, 13266, 14003, 14877, 17226, 17487, 18183, 19899, 21373, 22914, 28006, 29754, 34371, 34974, 36366, 36917, 39798, 42009, 42746, 52461, 54549, 64119, 68742, 73834, 84018, 104922, 109098, 110751, 126027, 128238, 163647, 192357, 221502, 252054, 327294, 332253, 378081, 384714, 406087, 577071, 664506, 756162, 812174, 996759, 1154142, 1218261, 1993518, 2436522, 3654783, 7309566, 10964349, 21928698]

約数ペア:

[(1, 21928698), (2, 10964349), (3, 7309566), (6, 3654783), (9, 2436522), (11, 1993518), (18, 1218261), (19, 1154142), (22, 996759), (27, 812174), (29, 756162), (33, 664506), (38, 577071), (54, 406087), (57, 384714), (58, 378081), (66, 332253), (67, 327294), (87, 252054), (99, 221502), (114, 192357), (134, 163647), (171, 128238), (174, 126027), (198, 110751), (201, 109098), (209, 104922), (261, 84018), (297, 73834), (319, 68742), (342, 64119), (402, 54549), (418, 52461), (513, 42746), (522, 42009), (551, 39798), (594, 36917), (603, 36366), (627, 34974), (638, 34371), (737, 29754), (783, 28006), (957, 22914), (1026, 21373), (1102, 19899), (1206, 18183), (1254, 17487), (1273, 17226), (1474, 14877), (1566, 14003), (1653, 13266), (1809, 12122), (1881, 11658), (1914, 11457), (1943, 11286), (2211, 9918), (2546, 8613), (2871, 7638), (3306, 6633), (3618, 6061), (3762, 5829), (3819, 5742), (3886, 5643), (4422, 4959)]