21221242880

素因数分解:

$2^{11}\times 5^1\times {\mathrm{19}}^1\times {\mathrm{109073}}^1$

素因数の和:109119

約数の個数: 96

約数和(自身を含む): 53598963600

約数和(自身を除く): 32377720720

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 128, 152, 160, 190, 256, 304, 320, 380, 512, 608, 640, 760, 1024, 1216, 1280, 1520, 2048, 2432, 2560, 3040, 4864, 5120, 6080, 9728, 10240, 12160, 19456, 24320, 38912, 48640, 97280, 109073, 194560, 218146, 436292, 545365, 872584, 1090730, 1745168, 2072387, 2181460, 3490336, 4144774, 4362920, 6980672, 8289548, 8725840, 10361935, 13961344, 16579096, 17451680, 20723870, 27922688, 33158192, 34903360, 41447740, 55845376, 66316384, 69806720, 82895480, 111690752, 132632768, 139613440, 165790960, 223381504, 265265536, 279226880, 331581920, 530531072, 558453760, 663163840, 1061062144, 1116907520, 1326327680, 2122124288, 2652655360, 4244248576, 5305310720, 10610621440, 21221242880]

約数ペア:

[(1, 21221242880), (2, 10610621440), (4, 5305310720), (5, 4244248576), (8, 2652655360), (10, 2122124288), (16, 1326327680), (19, 1116907520), (20, 1061062144), (32, 663163840), (38, 558453760), (40, 530531072), (64, 331581920), (76, 279226880), (80, 265265536), (95, 223381504), (128, 165790960), (152, 139613440), (160, 132632768), (190, 111690752), (256, 82895480), (304, 69806720), (320, 66316384), (380, 55845376), (512, 41447740), (608, 34903360), (640, 33158192), (760, 27922688), (1024, 20723870), (1216, 17451680), (1280, 16579096), (1520, 13961344), (2048, 10361935), (2432, 8725840), (2560, 8289548), (3040, 6980672), (4864, 4362920), (5120, 4144774), (6080, 3490336), (9728, 2181460), (10240, 2072387), (12160, 1745168), (19456, 1090730), (24320, 872584), (38912, 545365), (48640, 436292), (97280, 218146), (109073, 194560)]