21906072

素因数分解:

$2^3\times 3^3\times {\mathrm{37}}^1\times {\mathrm{2741}}^1$

素因数の和:2793

約数の個数: 64

約数和(自身を含む): 62517600

約数和(自身を除く): 40611528

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 37, 54, 72, 74, 108, 111, 148, 216, 222, 296, 333, 444, 666, 888, 999, 1332, 1998, 2664, 2741, 3996, 5482, 7992, 8223, 10964, 16446, 21928, 24669, 32892, 49338, 65784, 74007, 98676, 101417, 148014, 197352, 202834, 296028, 304251, 405668, 592056, 608502, 811336, 912753, 1217004, 1825506, 2434008, 2738259, 3651012, 5476518, 7302024, 10953036, 21906072]

約数ペア:

[(1, 21906072), (2, 10953036), (3, 7302024), (4, 5476518), (6, 3651012), (8, 2738259), (9, 2434008), (12, 1825506), (18, 1217004), (24, 912753), (27, 811336), (36, 608502), (37, 592056), (54, 405668), (72, 304251), (74, 296028), (108, 202834), (111, 197352), (148, 148014), (216, 101417), (222, 98676), (296, 74007), (333, 65784), (444, 49338), (666, 32892), (888, 24669), (999, 21928), (1332, 16446), (1998, 10964), (2664, 8223), (2741, 7992), (3996, 5482)]