21284076

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{383}}^1\times {\mathrm{421}}^1$

素因数の和:822

約数の個数: 48

約数和(自身を含む): 54448128

約数和(自身を除く): 33164052

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 132, 383, 421, 766, 842, 1149, 1263, 1532, 1684, 2298, 2526, 4213, 4596, 4631, 5052, 8426, 9262, 12639, 13893, 16852, 18524, 25278, 27786, 50556, 55572, 161243, 322486, 483729, 644972, 967458, 1773673, 1934916, 3547346, 5321019, 7094692, 10642038, 21284076]

約数ペア:

[(1, 21284076), (2, 10642038), (3, 7094692), (4, 5321019), (6, 3547346), (11, 1934916), (12, 1773673), (22, 967458), (33, 644972), (44, 483729), (66, 322486), (132, 161243), (383, 55572), (421, 50556), (766, 27786), (842, 25278), (1149, 18524), (1263, 16852), (1532, 13893), (1684, 12639), (2298, 9262), (2526, 8426), (4213, 5052), (4596, 4631)]