21902608

素因数分解:

$2^4\times 7^3\times {\mathrm{13}}^1\times {\mathrm{307}}^1$

素因数の和:349

約数の個数: 80

約数和(自身を含む): 53468800

約数和(自身を除く): 31566192

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 49, 52, 56, 91, 98, 104, 112, 182, 196, 208, 307, 343, 364, 392, 614, 637, 686, 728, 784, 1228, 1274, 1372, 1456, 2149, 2456, 2548, 2744, 3991, 4298, 4459, 4912, 5096, 5488, 7982, 8596, 8918, 10192, 15043, 15964, 17192, 17836, 27937, 30086, 31928, 34384, 35672, 55874, 60172, 63856, 71344, 105301, 111748, 120344, 195559, 210602, 223496, 240688, 391118, 421204, 446992, 782236, 842408, 1368913, 1564472, 1684816, 2737826, 3128944, 5475652, 10951304, 21902608]

約数ペア:

[(1, 21902608), (2, 10951304), (4, 5475652), (7, 3128944), (8, 2737826), (13, 1684816), (14, 1564472), (16, 1368913), (26, 842408), (28, 782236), (49, 446992), (52, 421204), (56, 391118), (91, 240688), (98, 223496), (104, 210602), (112, 195559), (182, 120344), (196, 111748), (208, 105301), (307, 71344), (343, 63856), (364, 60172), (392, 55874), (614, 35672), (637, 34384), (686, 31928), (728, 30086), (784, 27937), (1228, 17836), (1274, 17192), (1372, 15964), (1456, 15043), (2149, 10192), (2456, 8918), (2548, 8596), (2744, 7982), (3991, 5488), (4298, 5096), (4459, 4912)]