21305544

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{2969}}^1$

素因数の和:3014

約数の個数: 64

約数和(自身を含む): 59875200

約数和(自身を除く): 38569656

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 23, 24, 26, 39, 46, 52, 69, 78, 92, 104, 138, 156, 184, 276, 299, 312, 552, 598, 897, 1196, 1794, 2392, 2969, 3588, 5938, 7176, 8907, 11876, 17814, 23752, 35628, 38597, 68287, 71256, 77194, 115791, 136574, 154388, 204861, 231582, 273148, 308776, 409722, 463164, 546296, 819444, 887731, 926328, 1638888, 1775462, 2663193, 3550924, 5326386, 7101848, 10652772, 21305544]

約数ペア:

[(1, 21305544), (2, 10652772), (3, 7101848), (4, 5326386), (6, 3550924), (8, 2663193), (12, 1775462), (13, 1638888), (23, 926328), (24, 887731), (26, 819444), (39, 546296), (46, 463164), (52, 409722), (69, 308776), (78, 273148), (92, 231582), (104, 204861), (138, 154388), (156, 136574), (184, 115791), (276, 77194), (299, 71256), (312, 68287), (552, 38597), (598, 35628), (897, 23752), (1196, 17814), (1794, 11876), (2392, 8907), (2969, 7176), (3588, 5938)]