21906752

素因数分解:

$2^6\times 7^1\times {\mathrm{107}}^1\times {\mathrm{457}}^1$

素因数の和:583

約数の個数: 56

約数和(自身を含む): 50255424

約数和(自身を除く): 28348672

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 107, 112, 214, 224, 428, 448, 457, 749, 856, 914, 1498, 1712, 1828, 2996, 3199, 3424, 3656, 5992, 6398, 6848, 7312, 11984, 12796, 14624, 23968, 25592, 29248, 47936, 48899, 51184, 97798, 102368, 195596, 204736, 342293, 391192, 684586, 782384, 1369172, 1564768, 2738344, 3129536, 5476688, 10953376, 21906752]

約数ペア:

[(1, 21906752), (2, 10953376), (4, 5476688), (7, 3129536), (8, 2738344), (14, 1564768), (16, 1369172), (28, 782384), (32, 684586), (56, 391192), (64, 342293), (107, 204736), (112, 195596), (214, 102368), (224, 97798), (428, 51184), (448, 48899), (457, 47936), (749, 29248), (856, 25592), (914, 23968), (1498, 14624), (1712, 12796), (1828, 11984), (2996, 7312), (3199, 6848), (3424, 6398), (3656, 5992)]