21094750976

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{929}}^1\times {\mathrm{6823}}^1$

素因数の和:7781

約数の個数: 72

約数和(自身を含む): 45401573280

約数和(自身を除く): 24306822304

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 256, 416, 832, 929, 1664, 1858, 3328, 3716, 6823, 7432, 12077, 13646, 14864, 24154, 27292, 29728, 48308, 54584, 59456, 88699, 96616, 109168, 118912, 177398, 193232, 218336, 237824, 354796, 386464, 436672, 709592, 772928, 873344, 1419184, 1545856, 1746688, 2838368, 3091712, 5676736, 6338567, 11353472, 12677134, 22706944, 25354268, 50708536, 82401371, 101417072, 164802742, 202834144, 329605484, 405668288, 659210968, 811336576, 1318421936, 1622673152, 2636843872, 5273687744, 10547375488, 21094750976]

約数ペア:

[(1, 21094750976), (2, 10547375488), (4, 5273687744), (8, 2636843872), (13, 1622673152), (16, 1318421936), (26, 811336576), (32, 659210968), (52, 405668288), (64, 329605484), (104, 202834144), (128, 164802742), (208, 101417072), (256, 82401371), (416, 50708536), (832, 25354268), (929, 22706944), (1664, 12677134), (1858, 11353472), (3328, 6338567), (3716, 5676736), (6823, 3091712), (7432, 2838368), (12077, 1746688), (13646, 1545856), (14864, 1419184), (24154, 873344), (27292, 772928), (29728, 709592), (48308, 436672), (54584, 386464), (59456, 354796), (88699, 237824), (96616, 218336), (109168, 193232), (118912, 177398)]