21485856

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{31973}}^1$

素因数の和:31993

約数の個数: 48

約数和(自身を含む): 64459584

約数和(自身を除く): 42973728

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 84, 96, 112, 168, 224, 336, 672, 31973, 63946, 95919, 127892, 191838, 223811, 255784, 383676, 447622, 511568, 671433, 767352, 895244, 1023136, 1342866, 1534704, 1790488, 2685732, 3069408, 3580976, 5371464, 7161952, 10742928, 21485856]

約数ペア:

[(1, 21485856), (2, 10742928), (3, 7161952), (4, 5371464), (6, 3580976), (7, 3069408), (8, 2685732), (12, 1790488), (14, 1534704), (16, 1342866), (21, 1023136), (24, 895244), (28, 767352), (32, 671433), (42, 511568), (48, 447622), (56, 383676), (84, 255784), (96, 223811), (112, 191838), (168, 127892), (224, 95919), (336, 63946), (672, 31973)]