21732840

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{20123}}^1$

素因数の和:20143

約数の個数: 64

約数和(自身を含む): 72446400

約数和(自身を除く): 50713560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 360, 540, 1080, 20123, 40246, 60369, 80492, 100615, 120738, 160984, 181107, 201230, 241476, 301845, 362214, 402460, 482952, 543321, 603690, 724428, 804920, 905535, 1086642, 1207380, 1448856, 1811070, 2173284, 2414760, 2716605, 3622140, 4346568, 5433210, 7244280, 10866420, 21732840]

約数ペア:

[(1, 21732840), (2, 10866420), (3, 7244280), (4, 5433210), (5, 4346568), (6, 3622140), (8, 2716605), (9, 2414760), (10, 2173284), (12, 1811070), (15, 1448856), (18, 1207380), (20, 1086642), (24, 905535), (27, 804920), (30, 724428), (36, 603690), (40, 543321), (45, 482952), (54, 402460), (60, 362214), (72, 301845), (90, 241476), (108, 201230), (120, 181107), (135, 160984), (180, 120738), (216, 100615), (270, 80492), (360, 60369), (540, 40246), (1080, 20123)]