21239808

素因数分解:

$2^{11}\times 3^1\times {\mathrm{3457}}^1$

素因数の和:3482

約数の個数: 48

約数和(自身を含む): 56642040

約数和(自身を除く): 35402232

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 192, 256, 384, 512, 768, 1024, 1536, 2048, 3072, 3457, 6144, 6914, 10371, 13828, 20742, 27656, 41484, 55312, 82968, 110624, 165936, 221248, 331872, 442496, 663744, 884992, 1327488, 1769984, 2654976, 3539968, 5309952, 7079936, 10619904, 21239808]

約数ペア:

[(1, 21239808), (2, 10619904), (3, 7079936), (4, 5309952), (6, 3539968), (8, 2654976), (12, 1769984), (16, 1327488), (24, 884992), (32, 663744), (48, 442496), (64, 331872), (96, 221248), (128, 165936), (192, 110624), (256, 82968), (384, 55312), (512, 41484), (768, 27656), (1024, 20742), (1536, 13828), (2048, 10371), (3072, 6914), (3457, 6144)]