21285243315

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{369247}}^1$

素因数の和:369329

約数の個数: 64

約数和(自身を含む): 43955281920

約数和(自身を除く): 22670038605

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 61, 63, 105, 135, 183, 189, 305, 315, 427, 549, 915, 945, 1281, 1647, 2135, 2745, 3843, 6405, 8235, 11529, 19215, 57645, 369247, 1107741, 1846235, 2584729, 3323223, 5538705, 7754187, 9969669, 12923645, 16616115, 22524067, 23262561, 38770935, 49848345, 67572201, 69787683, 112620335, 116312805, 157668469, 202716603, 337861005, 348938415, 473005407, 608149809, 788342345, 1013583015, 1419016221, 2365027035, 3040749045, 4257048663, 7095081105, 21285243315]

約数ペア:

[(1, 21285243315), (3, 7095081105), (5, 4257048663), (7, 3040749045), (9, 2365027035), (15, 1419016221), (21, 1013583015), (27, 788342345), (35, 608149809), (45, 473005407), (61, 348938415), (63, 337861005), (105, 202716603), (135, 157668469), (183, 116312805), (189, 112620335), (305, 69787683), (315, 67572201), (427, 49848345), (549, 38770935), (915, 23262561), (945, 22524067), (1281, 16616115), (1647, 12923645), (2135, 9969669), (2745, 7754187), (3843, 5538705), (6405, 3323223), (8235, 2584729), (11529, 1846235), (19215, 1107741), (57645, 369247)]