21493395

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{6203}}^1$

素因数の和:6232

約数の個数: 48

約数和(自身を含む): 46455552

約数和(自身を除く): 24962157

約数列:

[1, 3, 5, 7, 9, 11, 15, 21, 33, 35, 45, 55, 63, 77, 99, 105, 165, 231, 315, 385, 495, 693, 1155, 3465, 6203, 18609, 31015, 43421, 55827, 68233, 93045, 130263, 204699, 217105, 279135, 341165, 390789, 477631, 614097, 651315, 1023495, 1432893, 1953945, 2388155, 3070485, 4298679, 7164465, 21493395]

約数ペア:

[(1, 21493395), (3, 7164465), (5, 4298679), (7, 3070485), (9, 2388155), (11, 1953945), (15, 1432893), (21, 1023495), (33, 651315), (35, 614097), (45, 477631), (55, 390789), (63, 341165), (77, 279135), (99, 217105), (105, 204699), (165, 130263), (231, 93045), (315, 68233), (385, 55827), (495, 43421), (693, 31015), (1155, 18609), (3465, 6203)]