21867678

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1$

素因数の和:159

約数の個数: 128

約数和(自身を含む): 60963840

約数和(自身を除く): 39096162

約数列:

[1, 2, 3, 6, 7, 9, 14, 17, 18, 21, 27, 34, 41, 42, 51, 54, 63, 82, 83, 102, 119, 123, 126, 153, 166, 189, 238, 246, 249, 287, 306, 357, 369, 378, 459, 498, 574, 581, 697, 714, 738, 747, 861, 918, 1071, 1107, 1162, 1394, 1411, 1494, 1722, 1743, 2091, 2142, 2214, 2241, 2583, 2822, 3213, 3403, 3486, 4182, 4233, 4482, 4879, 5166, 5229, 6273, 6426, 6806, 7749, 8466, 9758, 9877, 10209, 10458, 12546, 12699, 14637, 15498, 15687, 18819, 19754, 20418, 23821, 25398, 29274, 29631, 30627, 31374, 37638, 38097, 43911, 47642, 57851, 59262, 61254, 71463, 76194, 87822, 88893, 91881, 115702, 131733, 142926, 173553, 177786, 183762, 214389, 263466, 266679, 347106, 404957, 428778, 520659, 533358, 643167, 809914, 1041318, 1214871, 1286334, 1561977, 2429742, 3123954, 3644613, 7289226, 10933839, 21867678]

約数ペア:

[(1, 21867678), (2, 10933839), (3, 7289226), (6, 3644613), (7, 3123954), (9, 2429742), (14, 1561977), (17, 1286334), (18, 1214871), (21, 1041318), (27, 809914), (34, 643167), (41, 533358), (42, 520659), (51, 428778), (54, 404957), (63, 347106), (82, 266679), (83, 263466), (102, 214389), (119, 183762), (123, 177786), (126, 173553), (153, 142926), (166, 131733), (189, 115702), (238, 91881), (246, 88893), (249, 87822), (287, 76194), (306, 71463), (357, 61254), (369, 59262), (378, 57851), (459, 47642), (498, 43911), (574, 38097), (581, 37638), (697, 31374), (714, 30627), (738, 29631), (747, 29274), (861, 25398), (918, 23821), (1071, 20418), (1107, 19754), (1162, 18819), (1394, 15687), (1411, 15498), (1494, 14637), (1722, 12699), (1743, 12546), (2091, 10458), (2142, 10209), (2214, 9877), (2241, 9758), (2583, 8466), (2822, 7749), (3213, 6806), (3403, 6426), (3486, 6273), (4182, 5229), (4233, 5166), (4482, 4879)]