21512106

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{83}}^1$

素因数の和:137

約数の個数: 144

約数和(自身を含む): 62741952

約数和(自身を除く): 41229846

約数列:

[1, 2, 3, 6, 7, 9, 11, 14, 17, 18, 21, 22, 33, 34, 42, 51, 63, 66, 77, 83, 99, 102, 119, 121, 126, 153, 154, 166, 187, 198, 231, 238, 242, 249, 306, 357, 363, 374, 462, 498, 561, 581, 693, 714, 726, 747, 847, 913, 1071, 1089, 1122, 1162, 1309, 1386, 1411, 1494, 1683, 1694, 1743, 1826, 2057, 2142, 2178, 2541, 2618, 2739, 2822, 3366, 3486, 3927, 4114, 4233, 5082, 5229, 5478, 6171, 6391, 7623, 7854, 8217, 8466, 9877, 10043, 10458, 11781, 12342, 12699, 12782, 14399, 15246, 15521, 16434, 18513, 19173, 19754, 20086, 23562, 25398, 28798, 29631, 30129, 31042, 37026, 38346, 43197, 46563, 57519, 59262, 60258, 70301, 86394, 88893, 90387, 93126, 108647, 115038, 129591, 139689, 140602, 170731, 177786, 180774, 210903, 217294, 259182, 279378, 325941, 341462, 421806, 512193, 632709, 651882, 977823, 1024386, 1195117, 1265418, 1536579, 1955646, 2390234, 3073158, 3585351, 7170702, 10756053, 21512106]

約数ペア:

[(1, 21512106), (2, 10756053), (3, 7170702), (6, 3585351), (7, 3073158), (9, 2390234), (11, 1955646), (14, 1536579), (17, 1265418), (18, 1195117), (21, 1024386), (22, 977823), (33, 651882), (34, 632709), (42, 512193), (51, 421806), (63, 341462), (66, 325941), (77, 279378), (83, 259182), (99, 217294), (102, 210903), (119, 180774), (121, 177786), (126, 170731), (153, 140602), (154, 139689), (166, 129591), (187, 115038), (198, 108647), (231, 93126), (238, 90387), (242, 88893), (249, 86394), (306, 70301), (357, 60258), (363, 59262), (374, 57519), (462, 46563), (498, 43197), (561, 38346), (581, 37026), (693, 31042), (714, 30129), (726, 29631), (747, 28798), (847, 25398), (913, 23562), (1071, 20086), (1089, 19754), (1122, 19173), (1162, 18513), (1309, 16434), (1386, 15521), (1411, 15246), (1494, 14399), (1683, 12782), (1694, 12699), (1743, 12342), (1826, 11781), (2057, 10458), (2142, 10043), (2178, 9877), (2541, 8466), (2618, 8217), (2739, 7854), (2822, 7623), (3366, 6391), (3486, 6171), (3927, 5478), (4114, 5229), (4233, 5082)]