21574880

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{151}}^1$

素因数の和:232

約数の個数: 96

約数和(自身を含む): 55157760

約数和(自身を除く): 33582880

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 47, 76, 80, 94, 95, 151, 152, 160, 188, 190, 235, 302, 304, 376, 380, 470, 604, 608, 752, 755, 760, 893, 940, 1208, 1504, 1510, 1520, 1786, 1880, 2416, 2869, 3020, 3040, 3572, 3760, 4465, 4832, 5738, 6040, 7097, 7144, 7520, 8930, 11476, 12080, 14194, 14288, 14345, 17860, 22952, 24160, 28388, 28576, 28690, 35485, 35720, 45904, 56776, 57380, 70970, 71440, 91808, 113552, 114760, 134843, 141940, 142880, 227104, 229520, 269686, 283880, 459040, 539372, 567760, 674215, 1078744, 1135520, 1348430, 2157488, 2696860, 4314976, 5393720, 10787440, 21574880]

約数ペア:

[(1, 21574880), (2, 10787440), (4, 5393720), (5, 4314976), (8, 2696860), (10, 2157488), (16, 1348430), (19, 1135520), (20, 1078744), (32, 674215), (38, 567760), (40, 539372), (47, 459040), (76, 283880), (80, 269686), (94, 229520), (95, 227104), (151, 142880), (152, 141940), (160, 134843), (188, 114760), (190, 113552), (235, 91808), (302, 71440), (304, 70970), (376, 57380), (380, 56776), (470, 45904), (604, 35720), (608, 35485), (752, 28690), (755, 28576), (760, 28388), (893, 24160), (940, 22952), (1208, 17860), (1504, 14345), (1510, 14288), (1520, 14194), (1786, 12080), (1880, 11476), (2416, 8930), (2869, 7520), (3020, 7144), (3040, 7097), (3572, 6040), (3760, 5738), (4465, 4832)]