21396468

素因数分解:

$2^2\times 3^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{643}}^1$

素因数の和:756

約数の個数: 48

約数和(自身を含む): 51932160

約数和(自身を除く): 30535692

約数列:

[1, 2, 3, 4, 6, 12, 47, 59, 94, 118, 141, 177, 188, 236, 282, 354, 564, 643, 708, 1286, 1929, 2572, 2773, 3858, 5546, 7716, 8319, 11092, 16638, 30221, 33276, 37937, 60442, 75874, 90663, 113811, 120884, 151748, 181326, 227622, 362652, 455244, 1783039, 3566078, 5349117, 7132156, 10698234, 21396468]

約数ペア:

[(1, 21396468), (2, 10698234), (3, 7132156), (4, 5349117), (6, 3566078), (12, 1783039), (47, 455244), (59, 362652), (94, 227622), (118, 181326), (141, 151748), (177, 120884), (188, 113811), (236, 90663), (282, 75874), (354, 60442), (564, 37937), (643, 33276), (708, 30221), (1286, 16638), (1929, 11092), (2572, 8319), (2773, 7716), (3858, 5546)]