21438486

素因数分解:

$2^1\times 3^3\times {\mathrm{47}}^1\times {\mathrm{8447}}^1$

素因数の和:8505

約数の個数: 32

約数和(自身を含む): 48660480

約数和(自身を除く): 27221994

約数列:

[1, 2, 3, 6, 9, 18, 27, 47, 54, 94, 141, 282, 423, 846, 1269, 2538, 8447, 16894, 25341, 50682, 76023, 152046, 228069, 397009, 456138, 794018, 1191027, 2382054, 3573081, 7146162, 10719243, 21438486]

約数ペア:

[(1, 21438486), (2, 10719243), (3, 7146162), (6, 3573081), (9, 2382054), (18, 1191027), (27, 794018), (47, 456138), (54, 397009), (94, 228069), (141, 152046), (282, 76023), (423, 50682), (846, 25341), (1269, 16894), (2538, 8447)]