21620358

素因数分解:

$2^1\times 3^4\times {\mathrm{37}}^1\times {\mathrm{3607}}^1$

素因数の和:3658

約数の個数: 40

約数和(自身を含む): 49768752

約数和(自身を除く): 28148394

約数列:

[1, 2, 3, 6, 9, 18, 27, 37, 54, 74, 81, 111, 162, 222, 333, 666, 999, 1998, 2997, 3607, 5994, 7214, 10821, 21642, 32463, 64926, 97389, 133459, 194778, 266918, 292167, 400377, 584334, 800754, 1201131, 2402262, 3603393, 7206786, 10810179, 21620358]

約数ペア:

[(1, 21620358), (2, 10810179), (3, 7206786), (6, 3603393), (9, 2402262), (18, 1201131), (27, 800754), (37, 584334), (54, 400377), (74, 292167), (81, 266918), (111, 194778), (162, 133459), (222, 97389), (333, 64926), (666, 32463), (999, 21642), (1998, 10821), (2997, 7214), (3607, 5994)]